Question: Testing the effect of a diet and exercise regimen on subjects cholesterol levels, a sports medicine clinic enlists 40 volunteers whose cholesterol levels are measured

Testing the effect of a diet and exercise regimen on subjects’ cholesterol levels, a sports medicine clinic enlists 40 volunteers whose cholesterol levels are measured before and after the 1-month program. The before and after data are listed in data file XR14058. Using the sign test and the 0.025 level of significance, examine the effectiveness of the diet and exercise program. Identify and interpret the p-value for the test.
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The variable of interest is the difference between the before and after cholestrol levels or d x 1 x ... View full answer

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