Independent random samples were selected from populations 1 and 2. The sample sizes, means, and variances are

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Independent random samples were selected from populations 1 and 2. The sample sizes, means, and variances are as follows:

a. Find a 95% confidence interval for estimating the difference in the population means (µ1 - µ2).
b. Based on the confidence interval in part a, can you conclude that there is a difference in the means for the two populations? Explain.

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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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Question Posted: Apr 15, 2016 07:14 AM

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Independent random samples were selected from populations 1 and 2. The sample sizes, means, and variances are

Question:

Population Sample Size Sample Mean Sample Variance 35 12.7 49 7.4 4.14 1.38

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a When estimating the difference 1 2 the 1 100 confidence interval i...View the full answer

Introduction To Probability And Statistics

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