Review on rank sum test - raw data and Rank cardinal and ordinal number) Rank sum test methods based on rank a 2 independent groups willcoxon rank sum test 2 paired groups sign rank sum testReview on rank sum test ◼raw data and Rank ( cardinal and ordinal number) ◼Rank sum test_ methods based on rank ◼2 independent groups_ willcoxon rank sum test ◼2 paired groups_ sign rank sum test 3