Question: In Example 14 of Chapter 10, we presented data on the blood pressure of 15 persons before and after they took a pill. (a) Perform

In Example 14 of Chapter 10, we presented data on the blood pressure of 15 persons before and after they took a pill.

(a) Perform a sign test, with a near .05, to determine if blood pressure has decreased after taking the pill.
(b) Perform a Wilcoxon signed-rank test to determine if blood pressure has decreased after taking the pill.

Before After Difference 70 68 80 72 72 62 76 70 76 58 76 66 72 68 78 52 82 64 64 72 74 74 92 60 74 74 68 72 84 74 10 18 10 26 32 10

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