At 03:42 PM 12/10/01 +0000, Jerry Dallal wrote: >Dennis Roberts wrote: > > > this is pure speculation ... i have yet to hear of any convincing case > > where the variance is known but, the mean is not > >A scale (weighing device) with known precision.
as far as i know ... knowing the precision is expressed in terms of ... 'accurate to within' ... and if there is ANY 'within' attached ... then accuracy for SURE is not known >================================================================= >Instructions for joining and leaving this list and remarks about >the problem of INAPPROPRIATE MESSAGES are available at > http://jse.stat.ncsu.edu/ >================================================================= _________________________________________________________ dennis roberts, educational psychology, penn state university 208 cedar, AC 8148632401, mailto:[EMAIL PROTECTED] 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/ =================================================================
