An Exciting Alternative to Fisher's Exact Test for Two Proportions

Article

Carr, Wendell E.   (1985, ASQC)   IBM General Technology Division

Journal of Quality Technology    Vol. 17    No. 3
QICID: 5511    July 1985    pp. 128-133
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Article Abstract

When a definite decision must be made as to which of two or more populations is best, a selection procedure seems more appropriate than a significance test. For the common problem of selecting the better one of two populations with regard to some proportion, a table or curve gives the sample size required for 90% confidence of a correct selection. Comparison with Fisher's Exact Test, the best significance test for two sample proportions, shows that the selection procedure is simpler and requires a much smaller sample size.

Keywords

Statistics,Binomial distribution,Statistical tests


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