Suppose that you are testing the hypotheses H0: m = 9 vs. HA: m 7 9. A

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Suppose that you are testing the hypotheses H0: m = 9 vs. HA: m 7 9.

A sample of size 16 results in a sample mean of 12 and a standard deviation of 1.5.

a) What is the standard error of the mean?

b) What is the critical value of t* for a 95% confidence interval?

c) Construct a 95% confidence interval for m.

d) Based on the confidence interval, at a = 0.05 can you reject H0? Explain.

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Business Statistics

ISBN: 9781292269313

4th Global Edition

Authors: Norean Sharpe, Richard De Veaux, Paul Velleman

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Question Posted: Sep 07, 2024 06:02 AM

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Suppose that you are testing the hypotheses H0: m = 9 vs. HA: m 7 9. A

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Business Statistics

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