New intervals for the difference between
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Xiao-Hua Zhou; Min Tsao; Gengsheng Qin
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Article
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2004
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Elsevier Science
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English
β 825 KB
In this paper we gave an Edgeworth expansion for the studentized di erence of two binomial proportions. We then proposed two new intervals by correcting the skewness in the Edgeworth expansion in a direct and an indirect way. Such the bias-correct conΓΏdence intervals are easy to compute, and their c