Variables sampling inspection scheme for resubmitted lots based on the process capability index Cpk

Chien-Wei Wu, Muhammad Aslam and Chi-Hyuck Jun

European Journal of Operational Research, 2012, vol. 217, issue 3, 560-566

Abstract: This paper attempts to develop a sampling inspection scheme by variables based on process performance index for product acceptance determination, which examines the situation where resampling is permitted on lots not accepted on original inspection. The equations for plan parameters, the required sample size and the corresponding critical value, are derived based on the exact sampling distribution rather than an approximation approach hence the decisions made are more accurate and reliable. Moreover, the efficiency of the proposed variables resubmitted sampling plan is evaluated and compared with the existing variables single sampling plan. For illustrative purpose, an example is presented to demonstrate the use of the derived results for making a decision on product acceptance determination.

Keywords: Quality control; Acceptance sampling; Decision making; Lot resubmission; Process fraction defectives (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:217:y:2012:i:3:p:560-566

DOI: 10.1016/j.ejor.2011.09.042

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