what are two assumptions of the mann-whitney u test which assumptions are tested in a t-test? what test to use for size of sample mwu test why is the mwu test used what is an example of a t-test what is the difference between t and likert? how is the likert hypothesis tested what are the assumptions of the likert scale __________ is an assumption for a t test of random variable distribution. how to measure the variance of a sample what is the assumption that all data should be randomly allocated to the same groups what is the assumption to use a t-test and a mwes test can you use the shape hypothesis and t test with a likert sample what is the assumption of the mwu test which assumption is tested with the mwu and t test what is the shape assumption of mann-whitney u test? which assumption has the same shape and significance? how to test an assumption in mwu why is the likert curve similar to the mwu what assumptions can be tested for a likert