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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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