Independent random samples of size n1 = n2 = 100 were selected from each of two populations.
Question:
a. Construct a 99% confidence interval for estimating the difference in the two population means.
b. Does the confidence interval in part a. provide sufficient evidence to conclude that there is a difference in the two population means? Explain.
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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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