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# A physical therapist wants to investigate whether a new exercise program reduces the

ISBN: 9780321757272 73

## Solution for problem 3 Chapter 15

Statistics: Informed Decisions Using Data | 4th Edition

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Problem 3

A physical therapist wants to investigate whether a new exercise program reduces the pulse rate of subjects. She randomly selects 10 women to participate in the study. Each subject is asked to step up and down on a 6-inch step for 3 minutes. Her pulse (in beats per minute) is then recorded. After a 10-week training program, the pulse is again measured with the same technique. The results are presented in the following table: CHAPTER TEST Woman Before After Woman Before After 1 136 128 6 113 112 2 120 111 7 89 98 3 129 129 8 122 103 4 143 148 9 102 103 5 115 110 10 122 103 Is the exercise program effective at the a = 0.05 level of significance?

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ST 701 Week Six Notes MaLyn Lawhorn September 19, 2017 and September 21, 2017 Transformation Continued Recall that if we have some random variable X with known PDF for which X ! Y by some g(x), then we also know everything we need to about Y .Depending on the properties of g(x), though, how we gather information about Y changes....

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##### ISBN: 9780321757272

This full solution covers the following key subjects: . This expansive textbook survival guide covers 84 chapters, and 3827 solutions. This textbook survival guide was created for the textbook: Statistics: Informed Decisions Using Data , edition: 4. Since the solution to 3 from 15 chapter was answered, more than 224 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 3 from chapter: 15 was answered by , our top Statistics solution expert on 09/01/17, 03:35AM. The answer to “A physical therapist wants to investigate whether a new exercise program reduces the pulse rate of subjects. She randomly selects 10 women to participate in the study. Each subject is asked to step up and down on a 6-inch step for 3 minutes. Her pulse (in beats per minute) is then recorded. After a 10-week training program, the pulse is again measured with the same technique. The results are presented in the following table: CHAPTER TEST Woman Before After Woman Before After 1 136 128 6 113 112 2 120 111 7 89 98 3 129 129 8 122 103 4 143 148 9 102 103 5 115 110 10 122 103 Is the exercise program effective at the a = 0.05 level of significance?” is broken down into a number of easy to follow steps, and 125 words. Statistics: Informed Decisions Using Data was written by and is associated to the ISBN: 9780321757272.

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