Letter to the editor the asymptotic distribution of the process capability index cpmk |
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Authors: | Norman L Johnson |
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Institution: | Department of Statistics , University of North Carolina-Chapel Hill , Chapel Hill, NC, 27599, 3260 |
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Abstract: | In theorem 3.1 of Chen and Hsu (1995) an expressin for an upper confidence bound for Cpmk in the case when µ = M and so Cpmk = Cpm, is given as a multiple of Cpm. However, if the value µ = M known then it would be more reasonable to use the estimator obtained by replacing Xn by M. |
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