Jon Cryer
p.s. Of course, you might approximate by an appropriate normal distribution.
At 11:39 AM 12/10/01 -0400, you 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
What about that other application used so prominently in texts of
business statistics, testing for a proportion?
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