Question: Five individuals are tested before and after an experimental procedure; their scores are given in the following table. Test the hypothesis that there is no

Five individuals are tested before and after an experimental procedure; their scores are given in the following table. Test the hypothesis that there is no change, using the .05 significance level.

(a) Use the steps of hypothesis testing and

(b) sketch the distributions involved.

Person Before After 12345 20 30 30 50 20 10 40 30

Person Before After 12345 20 30 30 50 20 10 40 30 5 30 40

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