Question

In a study of the effectiveness of certain exercises in weight reduction, a group of 16 persons engaged in these exercises for one month and showed the following results:
Use the 0.05 level of significance to test the null hypothesis µ1 – µ2 = 0 against the alternative hypothesis µ1 – µ2 > 0, and thus judge whether the exercises are effective in weight reduction.


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  • CreatedNovember 04, 2015
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