Using Wilcoxon Rank Sum Test for Two Independent Samples

Test whether the population medians differ, using level of significance a = 0.01. The data represent two independent random samples

Sample 1 : 24 22 28 24 33 34 38 20 32 27 32 33 34 26 22 40

Sample 2 : 36 25 29 23 29 34 28 32 27 38 38