Consider the data in Exercise 15 3 Use the Wilcox on signed rank test to test the hypothesis H0 2 5 ppm versus H1 2 5 ppm with a 0 05 Assume that the distribution of impurity level is continuous and symmetric

Question: Consider the data in Exercise 15-3. Use the Wilcox on signed-rank test to test the hypothesis H0: = 2.5 ppm versus H1: < 2.5 ppm

Consider the data in Exercise 15-3. Use the Wilcox on signed-rank test to test the hypothesis H0: μ = 2.5 ppm versus H1: μ < 2.5 ppm with a = 0.05. Assume that the of impurity level is continuous and symmetric.

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