Exercise 8.108 presented statistics from a study of fast starts by ice hockey skaters. The mean and
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a. Find a 95% confidence interval for this population mean. Interpret the interval.
b. Suppose you were dissatisfied with the width of this confidence interval and wanted to cut the interval in half by increasing the sample size. How many skaters (total) would have to be included in the study?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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