Independent random samples of n1 = 50 and n2 = 60 observations were selected from populations 1

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Independent random samples of n1 = 50 and n2 = 60 observations were selected from populations 1 and 2, respectively. The sample sizes and computed sample statistics are given in the table:

Find a 90% confidence interval for the difference in population means and interpret the interval.

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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 07:17 AM

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Independent random samples of n1 = 50 and n2 = 60 observations were selected from populations 1

Question:

Population Sample Size Sample Mean Sample Standard Deviation 0.8 13 50 60 100.4 96

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