Exercise 8; = 0.01 Refer to the sample data for the given exercises in Section 12-2.

Question:

Exercise 8; α = 0.01
Refer to the sample data for the given exercises in Section 12-2. Instead of the sign test, use the Wilcoxon signed-ranks test to test the claim that both samples come from populations having the same distribution. Use the significance level a that is given below.