which test is more robust to non-normality? what is the difference between a t-test and a mann-whitney u test how robust is the mann-whitney u test? does the t test depend on the sample size of the data? how is st vs mw compared how robust is t vs mw when to use t test difference between mw and t-test is an t-test robust to non normality what is the difference in non-normality and robustness does the mann-whitney test perform a robust test why is the t test used in an equation is mann-whitney u or t-test robust? what is the difference between t test and mw what is the difference between a t test and a mw test how robust is a t test which test is stronger t or mw why a t test is robust how does the t test work? which is more robust t-test or mw test