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Subject: in search of a formula for calculating confidence intervals

Author: Joseph Ciarrochi

Date: 00:52:21 01/17/06


Does anybody have the formula for calculating standard error bars for win
percentages? e.g., given a a sample of N, and an observed win rate of x %, I 'd
like to construct a 95% confidence interval around x.

It would also be cool if you had the formula for calculating confidence
intervals for ratings?

best
Joseph




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