andom sample of five people, the mean driving distance to work was 22.2 miles and the standard deviation was 5.8 miles. Assume that the population is normally distributed. a. Construct a 95% confidence interval for the mean. Write your answer as an inequality, including units. b. Suppose you researched commute distances and found the population standard deviation. In general, if you used this new val
andom sample of five people, the mean driving distance to work was 22.2 miles and the standard deviation was 5.8 miles. Assume that the population is normally distributed. a. Construct a 95% confidence interval for the mean. Write your answer as an inequality, including units. b. Suppose you researched commute distances and found the population standard deviation. In general, if you used this new val
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In a random sample of five people, the
a. Construct a 95% confidence interval for the mean. Write your answer as an inequality, including units.
b. Suppose you researched commute distances and found the population standard deviation. In general, if you used this new value to create a confidence interval, would you expect the width of the confidence interval to be bigger or smaller? Why?
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