In a study of the effectiveness of physical exercise in weight reduction, a group of 12 persons participate in a prescribed program of physical exercise for one month showed in Table 6. Use the 0.01 level of significance to test whether the prescribed program of exercise is effective. weight before(kg) 95 81 76 96  82 87 71 82 77 83 81 65   weight after(kg) 89 77 77 94 80 86 72 82 74 81 78 63

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In a study of the effectiveness of physical exercise in weight reduction, a group of 12 persons
participate in a prescribed program of physical exercise for one month showed in Table 6. Use
the 0.01 level of significance to test whether the prescribed program of exercise is effective.

weight before(kg) 95 81 76 96  82 87 71 82 77 83 81 65  
weight after(kg) 89 77 77 94 80 86 72 82 74 81 78 63  
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