A random sample of 10 students contains the following observations, in hours, for time spent studying in

Question:

A random sample of 10 students contains the following observations, in hours, for time spent studying in the week before final exams:

Assume that the population distribution is normal.

a. Find the sample mean and standard deviation.

b. Test, at the 5% significance level, the null hypothesis that the population mean is 40 hours against the alternative that it is higher.

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Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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Question Posted: Nov 15, 2022 12:45 AM

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A random sample of 10 students contains the following observations, in hours, for time spent studying in

Question:

28 57 42 35 61 39 55 46 49 38

Step by Step Answer:

Statistics For Business And Economics

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