Why do we use t-test when one of its assumptions is violated? – ResearchGate Pedro J. Aphalo 2015-08-06 Data analysis / Learning skills / Yleinen Source: Why do we use t-test when one of its assumptions is violated? Isn’t it better to use Mann-whitney U, when there is no equality in variances? – ResearchGate A crucial question, and as usual a spot-on answer by Jochen Wilhelm in ResearchGate’s questions and answers area. Share on Previous PostRRO (Revolution R Open) Next PostUpdate Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.