Observations from two random and independentsamples, drawn from populations 1 and 2, are
Chapter 15, Problem 3(choose chapter or problem)
Observations from two random and independentsamples, drawn from populations 1 and 2, are givenhere. Use the Wilcoxon rank sum test to determinewhether population 1 is shifted to the left of population2.Sample 1 13235Sample 2 47686a. State the null and alternative hypotheses to betested.b. Rank the combined sample from smallest to largest.Calculate T1 and T*1.c. What is the rejection region for a .05?d. Do the data provide sufficient evidence to indicatethat population 1 is shifted to the left of population 2?
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