Part i wilcoxon rank sum Test Rank Sum Test for Comparing the Locations of TWo Populations Mann-Whitney test review t-test for comparing 2 population means Normality and homogeneity 1818 Part I: Wilcoxon Rank Sum Test ▪ Rank Sum Test for Comparing the Locations of Two Populations ▪ Mann-Whitney test ▪ review t-test for comparing 2 population means Normality and homogeneity