Independent random samples of 36 and 45 observations are drawn from two quantitative populations, 1 and 2,
Question:
Do the data present sufficient evidence to indicate that the mean for population 1 is smaller than the mean for population 2? Use one of the two methods of testing presented in this section, and explain your conclusions.
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Sample Sample 36 Sample Size Sample Mean Sample Variance 45 1.24 1.31 0560 0540
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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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