what does it mean when one obtains zero values for a mann-whitney u test why does one get a mann-whitney u test why does it mean when a mann-whitney u value is zero? mann-whitney u test is zero in which test group why do you get zero value for mann-whitney which variable is included in the significance value of mann-witney test how to get a zero score with a mann whitney u test why does one obtain a mann-hitney u what does zero mean in a mann-whitney u testing why does one get a mann-whitney value what does it mean when one obtains zero value for a mann-whitney-u test what does 0.000 mean in a mann-whitney-u test how many ppi do you get with an equal sample size? what's the average value of a mann-whitney's u why would a mann-whitney u test be run on equal sample size? when mann-whitney test is run in equal samples when mann-whitney u is zero what does it mean why does one get a zero mann-whitney u value? why does one get a 0.001 mann-whitney u value (not p-value) etc.? when the mann-whitney u value is zero what is