3rd Edition

ISBN: 9780135190210

Author: Gould

Publisher: PEARSON CO

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Textbook Question

Chapter 9, Problem 50SE

Pulse Difference The following numbers are the differences in pulse rate (beats per minute) before and after running for 12 randomly selected people.

24 , 12 , 14 , 12 , 16 , 10 , 0 , 4 , 13 , 42 , 4 , and 16

Positive numbers mean the pulse rate went up. Test the hypothesis that the mean difference in pulse rate was more than 0, using a significance level of 0.05 . Assume the population distribution is Normal.

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Chapter 9, Problem 49SE

Chapter 9, Problem 51SE

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Chapter 9 Solutions

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Solution Summary: The author explains how to test whether the population mean of differences in pulse rates is more than 0 or not.

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