Question: Consider the pipe deflection data in Exercise 10-22. (a) Use the Wilcoxon rank-sum test for the pipe deflection temperature experiment. If = 0.05, what

Consider the pipe deflection data in Exercise 10-22.

(a) Use the Wilcoxon rank-sum test for the pipe deflection temperature experiment. If α = 0.05, what are your conclusions?

(b) Use the normal approximation for the Wilcoxon rank-sum test. Assume that α = 0.05. Find the approximate P-value for this test.

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