what is between group a and b in kruskal wallis analysis which of the following was performed as a posthoc test to assess the within-group difference between data of baseline and endpoint data? what test did we use to assess the statistical difference between the three groups what was the difference between kruskal wallis u test and friedman rm test? what is the difference between groups of drug a and b when comparing the three groups in a prospective study, kruskal wallis is used what is a kruskal wallis test what is friedman rm vs kruskal wallis who is kruskal wallis? what is the difference between two nonparametric tests what test to use to assess between-group differences what is the difference between kruskal wallis and friedman rm why are nonparametric measures performed for intragroup comparison? difference between a and b group in inferential statistics what was the difference between the kruskal wallis test and the friedman rm test differences between groups who carried out kruskal wallis how were inferential and independent groups tested what is the difference between drug c and a&b what is the difference between baseline and endpoint