The following sample data have been collected based on a simple random sample from a normally distributed

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The following sample data have been collected based on a simple random sample from a normally distributed population:

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a. Compute a 90% confidence interval estimate for the population mean.
b. Show what the impact would be if the confidence level is increased to 95%. Discuss why this occurs.
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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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