Determining Sample Size1 - University of Crete

Basic formula for the Chi-square test Basic formula for confidence intervals Sample size adjustment for finite population å-Expected (Observed Expected )2 Z n s x ˆ2 ± n' = (N * n) (N + n - 1) Formulas for estimating population variance Normal Uniform Proportion s = b - a 6 s 2 = (b - a) 2 12 s = p*q Points on a Normal Distribution ................
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