36. Suppose you have a normal distribution, and you have good estimates of the mean and...
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36. Suppose you have a normal distribution, and you have good estimates of the mean and standard deviation. Which of the following cannot be determined an the basis of this information? (a) The 60% confidence interval. (b) The 80% confidence interval. (c) The 90% confidence interval. (d) All of the above (a), (b), and (c) can be determined on the basis of 37. Which of the following is not necessarily a problem in an experiment? (a) A biased sample. (b) The replacement of elements when they should not be replaced. (c) The use of a random number table. (d) Failing to compensate for factors that can skew the results. 38. A sampling frame is (a) a subset of a sample (b) a subset of a population (c) an element of a sample (d) an element of a population 39. Suppose you want to determine the percentage of people in your Barangay who smoke more than five cigarettes a day. Which of the following samples should you expect would be the best (least biased)? (a) All the people in the state over age 95. (b) All the hospital patients in the state. (c) All the elementary-school students in the Barangay. (d) Every person in the state who was born on January 26. 40. When sampling is done without replacement in an infinite set: (a) the size of the set does not change (b) the size of the set increases (c) the size of the set decreases this information. (d) the size of the set becomes zero 36. Suppose you have a normal distribution, and you have good estimates of the mean and standard deviation. Which of the following cannot be determined an the basis of this information? (a) The 60% confidence interval. (b) The 80% confidence interval. (c) The 90% confidence interval. (d) All of the above (a), (b), and (c) can be determined on the basis of 37. Which of the following is not necessarily a problem in an experiment? (a) A biased sample. (b) The replacement of elements when they should not be replaced. (c) The use of a random number table. (d) Failing to compensate for factors that can skew the results. 38. A sampling frame is (a) a subset of a sample (b) a subset of a population (c) an element of a sample (d) an element of a population 39. Suppose you want to determine the percentage of people in your Barangay who smoke more than five cigarettes a day. Which of the following samples should you expect would be the best (least biased)? (a) All the people in the state over age 95. (b) All the hospital patients in the state. (c) All the elementary-school students in the Barangay. (d) Every person in the state who was born on January 26. 40. When sampling is done without replacement in an infinite set: (a) the size of the set does not change (b) the size of the set increases (c) the size of the set decreases this information. (d) the size of the set becomes zero
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Statistics for Management and Economics Abbreviated
ISBN: 978-1285869643
10th Edition
Authors: Gerald Keller
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