期刊
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
卷 267, 期 1, 页码 393-398出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejor.2017.12.032
关键词
Quality control; Process capability indices; Critical acceptance values; Process capability analysis; Lot resubmission
In this short note, we prove that the derivation of the required sample size and critical acceptance value under the normality assumption of the quality characteristic proposed by Wu, C. W., Aslam, M., & Jun, C. H. (2012). Variables sampling inspection scheme for resubmitted lots based on the process capability index C-pk. European Journal of Operational Research, 217(3), 560-566, is inappropriate. In fact, it leads to a lower probability of acceptance than the one desired by the producer. The same issue also occurs in the case of a variables single sampling plan described in a previous paper by Pearn, W. L., & Wu, C. W. (2007). An effective decision making method for product acceptance. Omega, 35(1), 12-21. Nevertheless, a similar yet less severe inaccuracy is also noticed in Wu, C. W., & Pearn, W. L. (2008). A variables sampling plan based on C-pmk for product acceptance determination. European Journal of Operational Research, 184(2), 549-560. (C) 2018 Elsevier B.V. All rights reserved.
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