10. The analyst in Chapter 12, Exercise 2, wants to know if the mean purchase amount of...

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10. The analyst in Chapter 12, Exercise 2, wants to know if the mean purchase amount of all transactions is at least $40.

a) What is the null hypothesis?

b) Is the alternative one- or two-sided?

c) What is the value of the test statistic?

d) What is the P-value of the test statistic?

e) What do you conclude at

f) Given the confidence interval you found in Chapter 12, Exercise 8, what might you have concluded? Explain.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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Question Posted: Sep 07, 2024 04:02 AM

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10. The analyst in Chapter 12, Exercise 2, wants to know if the mean purchase amount of...

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Business Statistics

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