How to perform a two-sample test for the equality of the normal…

Question Answered step-by-step How to perform a two-sample test for the equality of the normal… How to perform a two-sample test for the equality of the normal mean for independent samples with known(equal or unequal) variances? So for one-sample test, we have t-test for unknown variance and z-test for known variance. Does the same also apply to two-sample test? If so, what is the critical value of the z-test? Math Statistics and Probability STAT 3210 Share QuestionEmailCopy link Comments (0)