Question: 1.For the following data, test the null hypothesis that u A = u B against the two-sided alternative u A >u B , use the

1.For the following data, test the null hypothesis that uA = uBagainst the two-sided alternative uA >uB, use the significance level of 5%

a)Wilcoxon-Mann-Whitney test

b)Unpaired t-test, assume unequal variances between both groups

State the assumptions for each test and compare the results.

Treatment A

37

55

57

Treatment B

23

31

55

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