A physical therapist wants to investigate whether a new exercise program reduces the
Chapter 15, Problem 3(choose chapter or problem)
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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