Question: Provide the rejection region for the Wilcoxon rank sum test for each of the following sets of hypotheses: a. H0: = 0 versus Ha:

Provide the rejection region for the Wilcoxon rank sum test for each of the following sets of hypotheses:
a. H0: ∆ = 0 versus Ha: ∆ ≠ 0 with n1 = 8, n2 = 9, and α = .10
b. H0: ∆ = 0 versus Ha: ∆ < 0 with n1 = 6, n2 = 7, and α = .05
c. H0: ∆ = 0 versus Ha: ∆ > 0 with n1 = 5, n2 = 9, and α = .025

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