Donald Burrill wrote: > And, to address your last question, a Mann-Whitney test (aka a Wilcoxon > rank-sum test) is exactly equivalent to a t-test on the mean ranks; so > yes, you can, but use alpha/2 for your tabled significance level.
Pedantry alert! Is it _exactly_ equivalent - don't the results differ very slightly (though not to a degree that would make a difference in practice)? Thom . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
