Independent Random Samples of Ten Day Students and Ten Evening $\mu$

question 29

Essay

Independent random samples of ten day students and ten evening students at a university showed the following age distributions. We want to use the Mann-Whitney-Wilcoxon test to determine if there is a significant difference in the age distribution of the two groups.
a.Compute the sum of the ranks (T) for the day students.
b.Compute the mean $\mu$ _T.
c.Compute $\sigma$ _T.
d..
Use $\alpha$ = 0.05 and test for any significant differences in the age distribution of the two populations.

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