I hear people saying that t-tests could be used to test: 1. difference between two proportions 2. difference between two mean differences (i.e. between (M12 - M11) and (M22 - M21).
Could somebody please advice me on this or give me a reference to read about these tests? Andrew . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
