Which of the following is correct when testing the assumption(s) underlying inference for an independent samples test of the difference between 2 means? Check that n 30 and n2 > 30 then verify that the Shapiro Wilk p- value is more than .05 for EACH group, O Verify that the Shapiro Wilk p-value for the qualitative variable is more than .05 O Check the size of each sample. If n1