for the simple one sample z test kind of case, for a population mean, i have a nice MINITAB macro that will draw overlapping H(0) and H(1) distributions ... if you input the H(0) and H(1) values, sigma, and the sample size. it assumes a 2 tailed .05 alpha test ... this is a MINITAB macro ... so beware ... anyway, for any interested, have a look at http://roberts.ed.psu.edu/users/droberts/introstat/powbeta.htm you need access to a recent release of minitab ... ============================================================== dennis roberts, penn state university educational psychology, 8148632401 http://roberts.ed.psu.edu/users/droberts/drober~1.htm ================================================================= Instructions for joining and leaving this list and remarks about the problem of INAPPROPRIATE MESSAGES are available at http://jse.stat.ncsu.edu/ =================================================================
