what is a mann whitney? mann whitney test how can you compare mean what is the statistical method to measure difference when are ko smirnov results negative what to compare the two data sets when two data sets are independent of each other what test do i do to compare the nascent differences in mean mean why do you have to do a Mann Whitney test on your data which statistic is used when one of a group of data is considered normal? why is the mann-whitney test used in statistical testing does mann whitney test for normal mean what test is used to compare normal and sour data why is mann whitney test necessary when the data isn't normal, a mann-whitney test should be performed when a data set is a normal one should a mann whitney test be used? why do you use t tests when a mann whitney test is used in a normal mean how to compare the mean and the difference what is the test called that shows the data is not normal? when comparing data differences between two data sets when comparing two sets of data the average is not normal,