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Journal of Korean Society for Quality Management 1980;8(2): 3-. |
| On the Estimation of Fraction Defectives |
| Ui-Cheol Hwang1, Yeong-Bae Jeong2 |
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| ABSTRACT |
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This paper is concerned with the design of an appropriate sampling plan or stopping rule and the construction of estimate for the estimation of process or lot fraction defective. Various sampling plans which are well known or have potential applications are unified into a generalized sampling plan. Under this sampling plan sufficient statistic, probability distribution, moment, and minimum variance unbiased estimate are obtained. Results for various sampling plans can be derived as special cases. Then, under given parameter values, the relative efficiencies of the various sampling plans are compared with respect to expected sample sizes and variances of estimates. |
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