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st: Request for Info re Exact and Approximate CIs


From   "Deane L Burns" <deane@multiboard.com>
To   "Statalist" <statalist@hsphsun2.harvard.edu>
Subject   st: Request for Info re Exact and Approximate CIs
Date   Fri, 28 Jun 2002 14:29:24 -0400

Hello Statalist members,

Can someone direct me to a resource (a text or a website) that discusses
exact and approximate confidence intervals for various cases?
For example, when n is large, variance is known, and mu is considered
continuous N(0,1) ... this seems to yield an exact confidence interval using
the z-scale. Other 'cases' mix it up: n is 'small', i.e., less than 30,
distribution is normal, variance known yields an exact confidence interval
using the t-distribution.

Just need to review this. I have several texts but they don't cover this
subject.
Thanks.
Deane
deane@multiboard.com

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