A simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were determined to be 320 and 120 respectively. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
bRandom samples of size 17 are taken from a population that has 200 elements, a mean of 36, and a standard deviation of 8. The mean and the standard deviation of the sampling distribution of the sample means are
Hide Feedback
Correct
Solution
Correct Response
aHow many simple random samples of size 5 can be selected from a population of size 8?
Hide Feedback
Correct
Solution
Correct Response
bA sample of 66 observations will be taken from an infinite population. The population proportion equals 0.12. The probability that the sample proportion will be less than 0.1768 is
Hide Feedback
Correct
Solution
Correct Response
bThe following information was collected from a simple random sample of a population.
The point estimate of the mean of the population is
16 | 19 | 18 | 17 | 20 | 18 |
The point estimate of the mean of the population is
Hide Feedback
Correct
Solution
Correct Response
dRandom samples of size 100 are taken from an infinite population whose population proportion is 0.2. The mean and standard deviation of the sample proportion are
Hide Feedback
Correct
Solution
Correct Response
cThe sample statistic, such as x̄, s, or p̄, that provides the point estimate of the population parameter is known as
Hide Feedback
Correct
Solution
Correct Response
bThe standard deviation of p̄ is referred to as the
Hide Feedback
Correct
Solution
Correct Response
cA sample of 25 observations is taken from an infinite population. The sampling distribution of p̄ is
Hide Feedback
Correct
Solution
Correct Response
dIn point estimation
Hide Feedback
Incorrect
Solution
Correct Response
cIn a sample of 400 voters, 360 indicated they favor the incumbent governor. The 95% confidence interval of voters not favoring the incumbent is
Hide Feedback
Correct
Solution
Correct Response
bWhen constructing a confidence interval for the population mean using the standard deviation of the sample, the degrees of freedom for the t distribution equals
Hide Feedback
Correct
Solution
Correct Response
dTo compute the necessary sample size for an interval estimate of a population mean, all of the following procedures are recommended when σ is unknown except
Hide Feedback
Correct
Solution
Correct Response
dIf we want to provide a 95% confidence interval for the mean of a population, the confidence coefficient will be
Hide Feedback
Correct
Solution
Correct Response
bA 95% confidence interval for a population mean is determined to be 100 to 120. For the same data, if the confidence coefficient is reduced to .90, the confidence interval for μ
Hide Feedback
Correct
Solution
Correct Response
dA random sample of 30 varieties of cereal was selected. The average number of calories per serving for these cereals is = 120. Assuming that σ = 10, find a 95% confidence interval for the mean number of calories, μ, in a serving of cereal.
Hide Feedback
Correct
Solution
Correct Response
bWe are interested in conducting a study in order to determine the percentage of voters in a city who would vote for the incumbent mayor. What is the minimum sample size needed to estimate the population proportion with a margin of error not exceeding 4% at 95% confidence?
Hide Feedback
Correct
Solution
Correct Response
bA machine that produces a major part for an airplane engine is monitored closely. In the past, 10% of the parts produced would be defective. With a .95 probability, the sample size that needs to be taken if the desired margin of error is .04 or less is
Hide Feedback
Correct
Solution
Correct Response
dWe can use the normal distribution to make confidence interval estimates for the population proportion, p, when
Hide Feedback
Correct
Solution
Correct Response
aThe t distribution should be used whenever
Hide Feedback
Correct
Solution
Correct Response
aA population has a mean of 53 and a standard deviation of 21. A sample of 49 observations will be taken. The probability that the sample mean will be greater than 57.95 is
Hide Feedback
Correct
Solution
Correct Response
aWhenever the population has a normal probability distribution, the sampling distribution of x̄ is a normal probability distribution for
Hide Feedback
Correct
Solution
Correct Response
aA simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were determined to be 320 and 120 respectively. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
aA population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is
Hide Feedback
Correct
Solution
Correct Response
aThe population being studied is usually considered ______ if it involves an ongoing process that makes listing or counting every element in the population impossible.
Hide Feedback
Correct
Solution
Correct Response
aWhich of the following is an example of nonprobabilistic sampling?
Hide Feedback
Correct
Solution
Correct Response
bIn a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The standard deviation of p̄, known as the standard error of the proportion is approximately
Hide Feedback
Correct
Solution
Correct Response
bFour hundred people were asked whether gun laws should be more stringent. Three hundred said "yes," and 100 said "no". The point estimate of the proportion in the population who will respond "no" is
Hide Feedback
Correct
Solution
Correct Response
cA wildlife management organization is interested in estimating the number of moose in a particular region. Organization employees divide the region into 10 sections and randomly select four sections to survey the number of moose present. What sampling method is being used?
Hide Feedback
Correct
Solution
Correct Response
cA population of size 1,000 has a proportion of 0.5. Therefore, the proportion and the standard deviation of the sample proportion for samples of size 100 are
Hide Feedback
Correct
Solution
Correct Response
bThe sample size needed to provide a margin of error of 2 or less with a .95 probability when the population standard deviation equals 11 is
Hide Feedback
Correct
Solution
Correct Response
aWhen s is used to estimate σ, the margin of error is computed by using the
Hide Feedback
Correct
Solution
Correct Response
aThe manager of a department store wants to determine the proportion of customers who use the store's credit card when making a purchase. What sample size should he select so that at 96% confidence the error will not be more than 10%?
Hide Feedback
Incorrect
Solution
Correct Response
aIn an interval estimation for a proportion of a population, the value of z at 99.2% confidence is
Hide Feedback
Correct
Solution
Correct Response
bWhat is the t value for and 15 degrees of freedom?
Hide Feedback
Correct
Solution
Correct Response
dIn a sample of 400 voters, 360 indicated they favor the incumbent governor. The 95% confidence interval of voters not favoring the incumbent is
Hide Feedback
Correct
Solution
Correct Response
cAn estimate of a population parameter that provides an interval of values believed to contain the value of the parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
aFrom a population that is normally distributed, a sample of 25 elements is selected and the standard deviation of the sample is computed. For the interval estimation of μ, the proper distribution to use is the
Hide Feedback
Correct
Solution
Correct Response
aA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. The standard error of the mean is
Hide Feedback
Incorrect
Solution
Correct Response
dThe t distribution should be used whenever
Hide Feedback
Correct
Solution
Correct Response
cWhich of the following best describes the form of the sampling distribution of the sample proportion?
Hide Feedback
Correct
Solution
Correct Response
dA sample of 66 observations will be taken from an infinite population. The population proportion equals 0.12. The probability that the sample proportion will be less than 0.1768 is
Hide Feedback
Correct
Solution
Correct Response
cA wildlife management organization is interested in estimating the number of moose in a particular region. Organization employees divide the region into 10 sections and randomly select four sections to survey the number of moose present. What sampling method is being used?
Hide Feedback
Correct
Solution
Correct Response
bIt is impossible to construct a frame for a(n)
Hide Feedback
Correct
Solution
Correct Response
bA population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 150 people was taken from a very large population. Ninety of the people in the sample were female. The standard error of the proportion is
Hide Feedback
Correct
Solution
Correct Response
cA population has a mean of 300 and a standard deviation of 18. A sample of 144 observations will be taken. The probability that the sample mean will be between 297 to 303 is
Hide Feedback
Correct
Solution
Correct Response
dAs a rule of thumb, the sampling distribution of the sample proportions can be approximated by a normal probability distribution whenever
Hide Feedback
Correct
Solution
Correct Response
cRandom samples of size 36 are taken from an infinite population whose mean and standard deviation are 20 and 15, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are
Hide Feedback
Correct
Solution
Correct Response
dThe number of simple random samples of size 20 that can be selected from a finite population of size 25 is _____.
Hide Feedback
Correct
Solution
Correct Response
aIf we consider the simple random sampling process as an experiment, the sample mean is
Hide Feedback
Correct
Solution
Correct Response
cWhich of the following is an example of nonprobabilistic sampling?
Hide Feedback
Correct
Solution
Correct Response
cThe sampling distribution of the sample means
Hide Feedback
Correct
Solution
Correct Response
cA sample of 240 is selected from a finite population of 500. If the standard deviation of the population is 44, what is the standard error of the sample mean?
Hide Feedback
Incorrect
Solution
Correct Response
bFour hundred people were asked whether gun laws should be more stringent. Three hundred said "yes," and 100 said "no". The point estimate of the proportion in the population who will respond "yes" is
Hide Feedback
Correct
Solution
Correct Response
dIn point estimation
Hide Feedback
Correct
Solution
Correct Response
dA population of size 1,000 has a proportion of 0.5. Therefore, the proportion and the standard deviation of the sample proportion for samples of size 100 are
Hide Feedback
Correct
Solution
Correct Response
aThe probability distribution of all possible values of the sample mean x̄ is
Hide Feedback
Correct
Solution
Correct Response
aThe population being studied is usually considered ______ if it involves an ongoing process that makes listing or counting every element in the population impossible.
Hide Feedback
Correct
Solution
Correct Response
dA population of size 320 has a proportion equal to .60 for the characteristic of interest. What are the mean and the standard deviation, respectively, of the sample proportion for samples of size 12?
Hide Feedback
Correct
Solution
Correct Response
dFrom a population that is not normally distributed and whose standard deviation is not known, a sample of 6 items is selected to develop an interval estimate for the mean of the population (μ).
Hide Feedback
Correct
Solution
Correct Response
bIf we want to provide a 95% confidence interval for the mean of a population, the confidence coefficient will be
Hide Feedback
Correct
Solution
Correct Response
cWhen s is used to estimate σ, the margin of error is computed by using the
Hide Feedback
Correct
Solution
Correct Response
aThe probability that the interval estimation procedure will generate an interval that does not contain the actual value of the population parameter being estimated is the
Hide Feedback
Incorrect
Solution
Correct Response
cA population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is
Hide Feedback
Correct
Solution
Correct Response
cA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. If we want to determine a 95% confidence interval for the average hourly income of the population, the value of t is
Hide Feedback
Correct
Solution
Correct Response
dA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dTo compute the minimum sample size for an interval estimate of μ, we must first determine all of the following except
Hide Feedback
Correct
Solution
Correct Response
bA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. The value of the margin of error at 95% confidence is
Hide Feedback
Correct
Solution
Correct Response
cA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. The 95% confidence interval for the average hourly wage (in $) of all information system managers is
Hide Feedback
Correct
Solution
Correct Response
dThe following random sample from a population whose values were normally distributed was collected.
The 95% confidence interval for μ is
10 | 8 | 11 | 11 |
The 95% confidence interval for μ is
Hide Feedback
Correct
Solution
Correct Response
aTo compute the necessary sample size for an interval estimate of a population mean, all of the following procedures are recommended when σ is unknown except
Hide Feedback
Correct
Solution
Correct Response
cA random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 98% confidence interval for the true average age of all students in the university is
Hide Feedback
Correct
Solution
Correct Response
aUsing an α = .04, a confidence interval for a population proportion is determined to be .65 to .75. For the same data, if α is decreased, the confidence interval for the population proportion
Hide Feedback
Correct
Solution
Correct Response
dThe degrees of freedom associated with a t distribution are a function of the
Hide Feedback
Correct
Solution
Correct Response
cUsing α = 0.05, a confidence interval for a population proportion is determined to be 0.15 to 0.35. If the level of significance is increased, the interval for the population proportion
Hide Feedback
Correct
Solution
Correct Response
aThe t distribution is a family of similar probability distributions, with each individual distribution depending on a parameter known as the
Hide Feedback
Correct
Solution
Correct Response
bA random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240. The t value needed to develop the 95% confidence interval for the population mean SAT score is
Hide Feedback
Incorrect
Solution
Correct Response
cWhich of the following must be decided by the researcher when computing the minimum sample size for an interval estimate of μ or p?
Hide Feedback
Correct
Solution
Correct Response
bWe can use the normal distribution to make confidence interval estimates for the population proportion, p, when
Hide Feedback
Incorrect
Solution
Correct Response
aA sample statistic is an unbiased estimator of the population parameter when
Hide Feedback
Correct
Solution
Correct Response
bThe expected value of equals the mean of the population from which the sample is drawn
Hide Feedback
Correct
Solution
Correct Response
bA probability sampling method in which we randomly select one of the first k elements and then select every k th element thereafter is
Hide Feedback
Correct
Solution
Correct Response
aWhich of the following is(are) point estimator(s)?
Hide Feedback
Correct
Solution
Correct Response
dA population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is
Hide Feedback
Correct
Solution
Correct Response
cA simple random sample of 5 observations from a population containing 400 elements was taken, and the following values were obtained.
A point estimate of the mean is
12 | 18 | 19 | 20 | 21 |
A point estimate of the mean is
Hide Feedback
Correct
Solution
Correct Response
cSuppose candidate A for a town council seat receives 43% of the votes in an election. As voters leave the polls, they are asked who they voted for. What is the probability that less than 40% of the 80 voters surveyed indicate they voted for candidate A? Assume an infinite population.
Hide Feedback
Correct
Solution
Correct Response
cSuppose the salaries of university professors are approximately normally distributed with a mean of $65,000 and a standard deviation of $7,000. If a random sample of size 25 is taken and the mean is calculated, what is the probability that the mean value will be between $62,500 and $64,000?
Hide Feedback
Correct
Solution
Correct Response
aIn a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The standard deviation of p̄, known as the standard error of the proportion is approximately
Hide Feedback
Correct
Solution
Correct Response
dA probability distribution of all possible values of a sample statistic is known as
Hide Feedback
Correct
Solution
Correct Response
bA population consists of 8 items. The number of different simple random samples of size 3 that can be selected from this population is
Hide Feedback
Correct
Solution
Correct Response
aThe following information was collected from a simple random sample of a population.
The point estimate of the population standard deviation is
16 | 19 | 18 | 17 | 20 | 18 |
The point estimate of the population standard deviation is
Hide Feedback
Correct
Solution
Correct Response
bIn point estimation
Hide Feedback
Correct
Solution
Correct Response
dA wildlife management organization is interested in estimating the number of moose in a particular region. Organization employees divide the region into 10 sections and randomly select four sections to survey the number of moose present. What sampling method is being used?
Hide Feedback
Correct
Solution
Correct Response
dThe number of simple random samples of size 20 that can be selected from a finite population of size 25 is _____.
Hide Feedback
Correct
Solution
Correct Response
cThe purpose of statistical inference is to provide information about the
Hide Feedback
Correct
Solution
Correct Response
bCluster sampling is
Hide Feedback
Correct
Solution
Correct Response
dA single numerical value used as an estimate of a population parameter is known as
Hide Feedback
Correct
Solution
Correct Response
bIf we select simple random samples of size 2 from the given data, what is the probability of any of the five employees being selected first?
Hide Feedback
Correct
Solution
Correct Response
dThe extent of the sampling error might be affected by all of the following factors except
Hide Feedback
Correct
Solution
Correct Response
bIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. If the sample mean is 9 hours, then the 95% confidence interval is
Hide Feedback
Correct
Solution
Correct Response
dA random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 98% confidence interval for the true average age of all students in the university is
Hide Feedback
Correct
Solution
Correct Response
dA random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22. The population standard deviation is known to equal 4.8. The 95.44% confidence interval for the population mean is
Hide Feedback
Correct
Solution
Correct Response
bIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. If the sample mean is 1858 kWh, the 95% confidence interval estimate of the population mean is
Hide Feedback
Correct
Solution
Correct Response
dA 95% confidence interval and a 99% confidence interval are computed from the same set of data. Which of the following statements is correct?
Hide Feedback
Correct
Solution
Correct Response
cAs the number of degrees of freedom for a t distribution increases, the difference between the t distribution and the standard normal distribution
Hide Feedback
Correct
Solution
Correct Response
cA random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240. The 95% confidence interval for the population mean SAT score is
Hide Feedback
Correct
Solution
Correct Response
aUsing α = 0.05, a confidence interval for a population proportion is determined to be 0.15 to 0.35. If the level of significance is increased, the interval for the population proportion
Hide Feedback
Correct
Solution
Correct Response
aWhich of the following is not required when computing the sample size for an interval estimate of the population mean?
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 15 employees was selected. The average age in the sample was 31 years with a variance of 49 years. Assuming ages are normally distributed, the 98% confidence interval for the population average age is _____.
Hide Feedback
Incorrect
Solution
Correct Response
dA population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is
Hide Feedback
Correct
Solution
Correct Response
cThe t distribution should be used whenever
Hide Feedback
Correct
Solution
Correct Response
cWe are interested in conducting a study to determine the percentage of voters of a state would vote for the incumbent governor. What is the minimum sample size needed to estimate the population proportion with a margin of error of .05 or less at 95% confidence?
Hide Feedback
Correct
Solution
Correct Response
bIf we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect the
Hide Feedback
Correct
Solution
Correct Response
cIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
aIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. If the sample mean is 9 hours, then the 95% confidence interval is
Hide Feedback
Correct
Solution
Correct Response
dAs the degrees of freedom increase, the t distribution approaches the
Hide Feedback
Correct
Solution
Correct Response
cIn which of the following situations should the t distribution be used?
Hide Feedback
Correct
Solution
Correct Response
aThe following random sample from a population whose values were normally distributed was collected.
The 95% confidence interval for μ is
10 | 8 | 11 | 11 |
The 95% confidence interval for μ is
Hide Feedback
Correct
Solution
Correct Response
aIt is known that the population variance equals 484. With a .95 probability, the sample size that needs to be taken if the desired margin of error is 5 or less is
Hide Feedback
Correct
Solution
Correct Response
dThe sampling error is the
Hide Feedback
Correct
Solution
Correct Response
cA probability distribution of all possible values of a sample statistic is known as
Hide Feedback
Correct
Solution
Correct Response
aA simple random sample of 100 observations was taken from a large population. The sample mean and the standard deviation were determined to be 80 and 12 respectively. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dDoubling the size of the sample will
Hide Feedback
Correct
Solution
Correct Response
aThe standard error of the proportion will become larger as
Hide Feedback
Correct
Solution
Correct Response
bIn a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The standard deviation of p̄, known as the standard error of the proportion is approximately
Hide Feedback
Correct
Solution
Correct Response
dThe closer the sample mean is to the population mean,
Hide Feedback
Correct
Solution
Correct Response
aThe probability distribution of all possible values of the sample mean x̄ is
Hide Feedback
Correct
Solution
Correct Response
bFrom a population of 500 elements, a sample of 225 elements is selected. It is known that the variance of the population is 900. The standard error of the mean is approximately
Hide Feedback
Correct
Solution
Correct Response
dIt is impossible to construct a frame for a(n)
Hide Feedback
Correct
Solution
Correct Response
bFrom a population of 200 elements, a sample of 49 elements is selected. It is determined that the sample mean is 56 and the sample standard deviation is 14. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dA sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of x̄ is
Hide Feedback
Correct
Solution
Correct Response
bA population of size 1,000 has a proportion of 0.5. Therefore, the proportion and the standard deviation of the sample proportion for samples of size 100 are
Hide Feedback
Correct
Solution
Correct Response
bThe following information was collected from a simple random sample of a population.
The point estimate of the population standard deviation is
16 | 19 | 18 | 17 | 20 | 18 |
The point estimate of the population standard deviation is
Hide Feedback
Correct
Solution
Correct Response
cFor a population with any distribution, the form of the sampling distribution of the sample mean is
Hide Feedback
Correct
Solution
Correct Response
dWhich of the following is an example of nonprobabilistic sampling?
Hide Feedback
Correct
Solution
Correct Response
aAs the sample size increases, the
Hide Feedback
Correct
Solution
Correct Response
dThe purpose of statistical inference is to provide information about the
Hide Feedback
Correct
Solution
Correct Response
dA random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. In this problem the 0.22 is
Hide Feedback
Correct
Solution
Correct Response
cA population has a mean of 180 and a standard deviation of 24. A sample of 64 observations will be taken. The probability that the sample mean will be between 183 and 186 is
Hide Feedback
Correct
Solution
Correct Response
dThe following information was collected from a simple random sample of a population.
The point estimate of the population standard deviation is
16 | 19 | 18 | 17 | 20 | 18 |
The point estimate of the population standard deviation is
Hide Feedback
Correct
Solution
Correct Response
dSuppose candidate A for a town council seat receives 43% of the votes in an election. As voters leave the polls, they are asked who they voted for. What is the probability that less than 40% of the 80 voters surveyed indicate they voted for candidate A? Assume an infinite population.
Hide Feedback
Correct
Solution
Correct Response
bA population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the sample mean will be larger than 82 is
Hide Feedback
Correct
Solution
Correct Response
bCluster sampling is
Hide Feedback
Correct
Solution
Correct Response
aAs the sample size increases, the
Hide Feedback
Correct
Solution
Correct Response
cThe population being studied is usually considered ______ if it involves an ongoing process that makes listing or counting every element in the population impossible.
Hide Feedback
Correct
Solution
Correct Response
aA finite population correction factor is needed in computing the standard deviation of the sampling distribution of sample means
Hide Feedback
Correct
Solution
Correct Response
aA simple random sample of size n from an infinite population of size N is to be selected. Each possible sample should have
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. In this problem the 0.22 is
Hide Feedback
Correct
Solution
Correct Response
aA population of size 320 has a proportion equal to .60 for the characteristic of interest. What are the mean and the standard deviation, respectively, of the sample proportion for samples of size 12?
Hide Feedback
Correct
Solution
Correct Response
bA finite population correction factor is needed in computing the standard deviation of the sampling distribution of sample means
Hide Feedback
Correct
Solution
Correct Response
aA simple random sample of size n from an infinite population of size N is to be selected. Each possible sample should have
Hide Feedback
Correct
Solution
Correct Response
bIn point estimation
Hide Feedback
Correct
Solution
Correct Response
cThe sample statistic, such as x̄, s, or p̄, that provides the point estimate of the population parameter is known as
Hide Feedback
Correct
Solution
Correct Response
bAll of the following are true about the standard error of the mean except
Hide Feedback
Correct
Solution
Correct Response
dWhich of the following best describes the form of the sampling distribution of the sample proportion?
Hide Feedback
Correct
Solution
Correct Response
aThe sampling distribution of the sample means
Hide Feedback
Correct
Solution
Correct Response
dA sample of 51 observations will be taken from an infinite population. The population proportion equals 0.85. The probability that the sample proportion will be between 0.9115 and 0.946 is
Hide Feedback
Correct
Solution
Correct Response
dA sample of 66 observations will be taken from an infinite population. The population proportion equals 0.12. The probability that the sample proportion will be less than 0.1768 is
Hide Feedback
Correct
Solution
Correct Response
cRandom samples of size 81 are taken from an infinite population whose mean and standard deviation are 200 and 18, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are
Hide Feedback
Correct
Solution
Correct Response
aThe following data was collected from a simple random sample of a population.
If the population consisted of 10 elements, how many different random samples of size 6 could be drawn from the population?
13 | 15 | 14 | 16 | 12 |
If the population consisted of 10 elements, how many different random samples of size 6 could be drawn from the population?
Hide Feedback
Correct
Solution
Correct Response
campling distribution of x̄ is the
Hide Feedback
Correct
Solution
Correct Response
cThe standard deviation of a point estimator is called the
Hide Feedback
Correct
Solution
Correct Response
dA sample of 400 observations will be taken from an infinite population. The population proportion equals 0.8. The probability that the sample proportion will be greater than 0.83 is
Hide Feedback
Correct
Solution
Correct Response
dA population consists of 500 elements. We want to draw a simple random sample of 50 elements from this population. On the first selection, the probability of an element being selected is
Hide Feedback
Correct
Solution
Correct Response
cA population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is
Hide Feedback
Correct
Solution
Correct Response
dRandom samples of size 17 are taken from a population that has 200 elements, a mean of 36, and a standard deviation of 8. The mean and the standard deviation of the sampling distribution of the sample means are
Hide Feedback
Correct
Solution
Correct Response
aA population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the sample mean will be larger than 82 is
Hide Feedback
Correct
Solution
Correct Response
bA random sample of 150 people was taken from a very large population. Ninety of the people in the sample were female. The standard error of the proportion is
Hide Feedback
Correct
Solution
Correct Response
aA wildlife management organization is interested in estimating the number of moose in a particular region. Organization employees divide the region into 10 sections and randomly select four sections to survey the number of moose present. What sampling method is being used?
Hide Feedback
Correct
Solution
Correct Response
bIn which of the following situations should the t distribution be used?
Hide Feedback
Correct
Solution
Correct Response
dIn a sample of 400 voters, 360 indicated they favor the incumbent governor. The 95% confidence interval of voters not favoring the incumbent is
Hide Feedback
Correct
Solution
Correct Response
bHide Feedback
Correct
Solution
Correct Response
dFor a given confidence level and when σ is known, the margin of error in a confidence interval estimate
Hide Feedback
Correct
Solution
Correct Response
bThe ability of an interval estimate to contain the value of the population parameter is described by the
Hide Feedback
Correct
Solution
Correct Response
bFrom a population that is normally distributed, a sample of 25 elements is selected and the standard deviation of the sample is computed. For the interval estimation of μ, the proper distribution to use is the
Hide Feedback
Correct
Solution
Correct Response
cTo compute the necessary sample size for an interval estimate of a population proportion, all of the following procedures are recommended when p is unknown except
Hide Feedback
Incorrect
Solution
Correct Response
bIn interval estimation, as the sample size becomes larger, the interval estimate
Hide Feedback
Correct
Solution
Correct Response
aAs the sample size increases, the margin of error
Hide Feedback
Correct
Solution
Correct Response
bA university planner wants to determine the proportion of undergraduate students who plan to attend graduate school. She surveys 54 current students and finds that 27 would like to continue their education in graduate school. Which of the following is the correct 90% confidence interval estimate for the proportion of undergraduates who plan to attend graduate school?
Hide Feedback
Incorrect
Solution
Correct Response
cThe level of significance α
Hide Feedback
Correct
Solution
Correct Response
aA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. If we want to determine a 95% confidence interval for the average hourly income of the population, the value of t is
Hide Feedback
Correct
Solution
Correct Response
cThe use of the normal probability distribution as an approximation of the sampling distribution of p̄ is based on the condition that both np and n(1 - p) equal or exceed
Hide Feedback
Correct
Solution
Correct Response
bIn a random sample of 144 observations, p̄ = .6. The 95% confidence interval for p is
Hide Feedback
Correct
Solution
Correct Response
aWhen s is used to estimate σ, the margin of error is computed by using the
Hide Feedback
Correct
Solution
Correct Response
dIn developing an interval estimate, if the population standard deviation is unknown
Hide Feedback
Correct
Solution
Correct Response
cA random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 98% confidence interval for the true average age of all students in the university is
Hide Feedback
Correct
Solution
Correct Response
dA population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is
Hide Feedback
Correct
Solution
Correct Response
bA random sample of 30 varieties of cereal was selected. The average number of calories per serving for these cereals is = 120. Assuming that σ = 10, find a 95% confidence interval for the mean number of calories, μ, in a serving of cereal.
Hide Feedback
Correct
Solution
Correct Response
dThe degrees of freedom associated with a t distribution are a function of the
Hide Feedback
Correct
Solution
Correct Response
dThe t distribution should be used whenever
Hide Feedback
Correct
Solution
Correct Response
bHide Feedback
Correct
Solution
Correct Response
bThe probability that the interval estimation procedure will generate an interval that does not contain the actual value of the population parameter being estimated is the
Hide Feedback
Incorrect
Solution
Correct Response
cThe margin of error in an interval estimate of the population mean is a function of all of the following except
Hide Feedback
Correct
Solution
Correct Response
bThe manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The standard error of the mean equals
Hide Feedback
Correct
Solution
Correct Response
bThe owners of an amusement park selected a random sample of 200 days and recorded the number of park patrons with annual passes who visited the park on each selected day. They computed a 90% confidence interval for the number of patrons with annual passes who visit the park daily. How would you interpret the 90% confidence interval of (35, 51)?
Hide Feedback
Correct
Solution
Correct Response
cThe manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The 95% confidence interval for the true average checkout time (in minutes) is
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 30 varieties of cereal was selected. The average number of calories per serving for these cereals is = 120. Assuming that σ = 10, find a 95% confidence interval for the mean number of calories, μ, in a serving of cereal.
Hide Feedback
Correct
Solution
Correct Response
aUsing α = 0.05, a confidence interval for a population proportion is determined to be 0.15 to 0.35. If the level of significance is increased, the interval for the population proportion
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 25 employees of a local company has been taken. A 95% confidence interval estimate for the mean systolic blood pressure for all employees of the company is 123 to 139. Which of the following statements is valid?
Hide Feedback
Correct
Solution
Correct Response
dThe level of significance α
Hide Feedback
Incorrect
Solution
Correct Response
aIn an interval estimation for a proportion of a population, the value of z at 99.2% confidence is
Hide Feedback
Correct
Solution
Correct Response
aThe use of the normal probability distribution as an approximation of the sampling distribution of p̄ is based on the condition that both np and n(1 - p) equal or exceed
Hide Feedback
Correct
Solution
Correct Response
bIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
bThe value added to and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
cThe manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The 95% confidence interval for the true average checkout time (in minutes) is
Hide Feedback
Correct
Solution
Correct Response
aTo compute the necessary sample size for an interval estimate of a population proportion, all of the following procedures are recommended when p is unknown except
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. At 95% confidence, the size of the margin of error is
Hide Feedback
Incorrect
Solution
Correct Response
bThe mean of the t distribution is
Hide Feedback
Correct
Solution
Correct Response
dThe t distribution should be used whenever
Hide Feedback
Correct
Solution
Correct Response
dThe probability that the interval estimation procedure will generate an interval that does not contain the actual value of the population parameter being estimated is the
Hide Feedback
Correct
Solution
Correct Response
cThe general form of an interval estimate of a population mean or a population proportion is the _____ plus and minus the _____.
Hide Feedback
Correct
Solution
Correct Response
aThe level of significance α
Hide Feedback
Correct
Solution
Correct Response
bIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
bIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. If the sample mean is 1858 kWh, the 95% confidence interval estimate of the population mean is
Hide Feedback
Correct
Solution
Correct Response
bFrom a population with a variance of 900, a sample of 225 items is selected. At 95% confidence, the margin of error is
Hide Feedback
Correct
Solution
Correct Response
bThe z value for a 97.8% confidence interval estimation is
Hide Feedback
Correct
Solution
Correct Response
aA machine that produces a major part for an airplane engine is monitored closely. In the past, 10% of the parts produced would be defective. With a .95 probability, the sample size that needs to be taken if the desired margin of error is .04 or less is
Hide Feedback
Correct
Solution
Correct Response
dThe manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The standard error of the mean equals
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240. If we want to provide a 95% confidence interval for the population mean SAT score, the degrees of freedom for reading the t value is
Hide Feedback
Correct
Solution
Correct Response
aA probability sampling method in which we randomly select one of the first k elements and then select every k th element thereafter is
Hide Feedback
Correct
Solution
Correct Response
bThe purpose of statistical inference is to provide information about the
Hide Feedback
Correct
Solution
Correct Response
aAll of the following are true about the standard error of the mean except
Hide Feedback
Correct
Solution
Correct Response
bThe sample mean is the point estimator of
Hide Feedback
Correct
Solution
Correct Response
dRandom samples of size 36 are taken from an infinite population whose mean and standard deviation are 20 and 15, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are
Hide Feedback
Correct
Solution
Correct Response
cA sample of 92 observations is taken from an infinite population. The sampling distribution of x̄ is approximately
Hide Feedback
Correct
Solution
Correct Response
aFor a population with any distribution, the form of the sampling distribution of the sample mean is
Hide Feedback
Correct
Solution
Correct Response
aA subset of a population selected to represent the population is
Hide Feedback
Correct
Solution
Correct Response
dA subset of a population selected to represent the population is
Hide Feedback
Correct
Solution
Correct Response
dA subset of a population selected to represent the population is
Hide Feedback
Correct
Solution
Correct Response
dThe manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. With a .95 probability, the sample mean will provide a margin of error of
Hide Feedback
Correct
Solution
Correct Response
bA random sample of 49 statistics examinations was taken. The average score, in the sample, was 84 with a variance of 12.25. The 95% confidence interval for the average examination score of the population of the examinations is
Hide Feedback
Correct
Solution
Correct Response
cA sample of 200 elements from a population with a known standard deviation is selected. For an interval estimation of μ, the proper distribution to use is the
Hide Feedback
Correct
Solution
Correct Response
aA sample of 200 elements from a population with a known standard deviation is selected. For an interval estimation of μ, the proper distribution to use is the
Hide Feedback
Correct
Solution
Correct Response
aA random sample of 25 employees of a local company has been taken. A 95% confidence interval estimate for the mean systolic blood pressure for all employees of the company is 123 to 139. Which of the following statements is valid?
Hide Feedback
Correct
Solution
Correct Response
aFrom a population that is not normally distributed and whose standard deviation is not known, a sample of 6 items is selected to develop an interval estimate for the mean of the population (μ).
Hide Feedback
Correct
Solution
Correct Response
aThe t value for a 95% confidence interval estimation with 24 degrees of freedom is
Hide Feedback
Correct
Solution
Correct Response
bWe are interested in conducting a study in order to determine the percentage of voters in a city who would vote for the incumbent mayor. What is the minimum sample size needed to estimate the population proportion with a margin of error not exceeding 4% at 95% confidence?
Hide Feedback
Correct
Solution
Correct Response
aThe use of the normal probability distribution as an approximation of the sampling distribution of p̄ is based on the condition that both np and n(1 - p) equal or exceed
Hide Feedback
Correct
Solution
Correct Response
dIt is known that the population variance equals 484. With a .95 probability, the sample size that needs to be taken if the desired margin of error is 5 or less is
Hide Feedback
Correct
Solution
Correct Response
dA random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. The point estimate of the mean content of the bottles is
Hide Feedback
Incorrect
Solution
Correct Response
dThe number of simple random samples of size 20 that can be selected from a finite population of size 25 is _____.
Hide Feedback
Correct
Solution
Correct Response
bThe population we want to make inferences about is the
Hide Feedback
Correct
Solution
Correct Response
bA random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. The standard error of the mean equals
Hide Feedback
Correct
Solution
Correct Response
cThe following data was collected from a simple random sample of a population.
If the population consisted of 10 elements, how many different random samples of size 6 could be drawn from the population?
13 | 15 | 14 | 16 | 12 |
If the population consisted of 10 elements, how many different random samples of size 6 could be drawn from the population?
Hide Feedback
Correct
Solution
Correct Response
dSuppose candidate A for a town council seat receives 43% of the votes in an election. As voters leave the polls, they are asked who they voted for. What is the probability that less than 40% of the 80 voters surveyed indicate they voted for candidate A? Assume an infinite population.
Hide Feedback
Correct
Solution
Correct Response
cThe probability distribution of all possible values of the sample mean x̄ is
Hide Feedback
Correct
Solution
Correct Response
dParameters are
Hide Feedback
Correct
Solution
Correct Response
cA probability distribution of all possible values of a sample statistic is known as
Hide Feedback
Correct
Solution
Correct Response
aSuppose candidate A for a town council seat receives 43% of the votes in an election. As voters leave the polls, they are asked who they voted for. What is the probability that less than 40% of the 80 voters surveyed indicate they voted for candidate A? Assume an infinite population.
Hide Feedback
Incorrect
Check My Work Feedback
Incorrect: You did not respond to this question
Solution
Correct Response
bHow many different samples of size 3 can be taken from a finite population of size 10?
Hide Feedback
Correct
Solution
Correct Response
dAs a rule of thumb, the sampling distribution of the sample proportions can be approximated by a normal probability distribution whenever
Hide Feedback
Correct
Solution
Correct Response
cIn a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The probability that the sample proportion (the proportion living in the dormitories) is at least 0.30 is
Hide Feedback
Incorrect
Solution
Correct Response
bIn a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The probability that the sample proportion (the proportion living in the dormitories) is at least 0.30 is
Hide Feedback
Incorrect
Solution
Correct Response
bThe CEO of a large corporation is interested in the average salary of all managers for his large corporation. A sample of 500 managers found the average salary to be $56,500. Which of the following statements is correct?
Hide Feedback
Correct
Solution
Correct Response
dThe proportion of students at a university who pass a biology class is p = .86. If 50 students are randomly selected, what is the probability that at least 75% of them have passed the class?
Hide Feedback
Correct
Solution
Correct Response
bGiven the sampling distribution of the sample mean shown here, which of the following values is a reasonable estimate for the population mean?
Hide Feedback
Correct
Solution
Correct Response
bIn point estimation
Hide Feedback
Correct
Solution
Correct Response
cIn point estimation
Hide Feedback
Correct
Solution
Correct Response
cThe sample mean is the point estimator of
Hide Feedback
Correct
Solution
Correct Response
aA population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is
Hide Feedback
Correct
Solution
Correct Response
dWhen the selection of one element from the population influences the selection of another element, the sample
Hide Feedback
Correct
Solution
Correct Response
cThe desired situation is when
Hide Feedback
Correct
Solution
Correct Response
cA sample of 25 observations is taken from an infinite population. The sampling distribution of p̄ is
Hide Feedback
Incorrect
Solution
Correct Response
dSampling distribution of x̄ is the
Hide Feedback
Correct
Solution
Correct Response
dWhich of the following sampling methods does not lead to probability samples?
Hide Feedback
Correct
Solution
Correct Response
dA single numerical value used as an estimate of a population parameter is known as
Hide Feedback
Correct
Solution
Correct Response
dA single numerical value used as an estimate of a population parameter is known as
Hide Feedback
Correct
Solution
Correct Response
dA single numerical value used as an estimate of a population parameter is known as
Hide Feedback
Correct
Solution
Correct Response
dA sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00. The standard error of the mean is
Hide Feedback
Incorrect
Solution
Correct Response
bWhich of the following is not required when computing the sample size for an interval estimate of the population mean?
Hide Feedback
Correct
Solution
Correct Response
aWe are interested in conducting a study in order to determine the percentage of voters in a city who would vote for the incumbent mayor. What is the minimum sample size needed to estimate the population proportion with a margin of error not exceeding 4% at 95% confidence?
Hide Feedback
Correct
Solution
Correct Response
aFrom a population that is normally distributed, a sample of 25 elements is selected and the standard deviation of the sample is computed. For the interval estimation of μ, the proper distribution to use is the
Hide Feedback
Correct
Solution
Correct Response
cA population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is
Hide Feedback
Correct
Solution
Correct Response
dUsing an α = .04, a confidence interval for a population proportion is determined to be .65 to .75. For the same data, if α is decreased, the confidence interval for the population proportion
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined. Assume a population standard deviation of 450 kilowatt-hours. The standard error of the mean is
Hide Feedback
Correct
Solution
Correct Response
dThe t distribution is a family of similar probability distributions, with each individual distribution depending on a parameter known as the
Hide Feedback
Correct
Solution
Correct Response
cThe degrees of freedom associated with a t distribution are a function of the
Hide Feedback
Correct
Solution
Correct Response
dFrom a population that is not normally distributed and whose standard deviation is not known, a sample of 6 items is selected to develop an interval estimate for the mean of the population (μ).
Hide Feedback
Correct
Solution
Correct Response
dThe manager of a department store wants to determine the proportion of customers who use the store's credit card when making a purchase. What sample size should he select so that at 96% confidence the error will not be more than 10%?
Hide Feedback
Correct
Solution
Correct Response
aUsing an α = .04, a confidence interval for a population proportion is determined to be .65 to .75. For the same data, if α is decreased, the confidence interval for the population proportion
Hide Feedback
Correct
Solution
Correct Response
cA population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is
Hide Feedback
Correct
Solution
Correct Response
cIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
dIn order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
Hide Feedback
Correct
Solution
Correct Response
dAs the sample size increases, the margin of error
Hide Feedback
Correct
Solution
Correct Response
aWhen s is used to estimate σ, the margin of error is computed by using the
Hide Feedback
Correct
Solution
Correct Response
aWhat value of p should be used to compute the sample size that guarantees all estimates of proportions will meet the margin of error requirement?
Hide Feedback
Correct
Solution
Correct Response
dWe can use the normal distribution to make confidence interval estimates for the population proportion, p, when
Hide Feedback
Correct
Solution
Correct Response
cWhich of the following must be decided by the researcher when computing the minimum sample size for an interval estimate of μ or p?
Hide Feedback
Correct
Solution
Correct Response
dThe value added to and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
cThe value added to and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
cThe value added to and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
cThe value added to and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
cThe value added to and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the
Hide Feedback
Correct
Solution
Correct Response
c
Comments
Post a Comment