Perform a Wilcoxon Rank-Sum Test on the Two Independent Samples

Perform a Wilcoxon rank-sum test on the two independent samples shown here to see if it supports a conclusion that median 1 is larger than median 2.Select the correct critical value (CV) , test statistic (TS) , and decision.(Use α = 0.01.) ​ .

A) CV = 54, TS = 39, reject H₀
B) CV = 24, TS = 22, fail to reject H₀
C) CV = 54, TS = 39, fail to reject H₀
D) CV = 24, TS = 29, reject H₀

Correct Answer:

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