Variables Sampling Plan for Resubmitted Lots in a Process with Linear Profiles

Variables Sampling Plan for Resubmitted Lots in a Process with Linear Profiles

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Article ID: iaor2016971
Volume: 32
Issue: 3
Start Page Number: 1029
End Page Number: 1040
Publication Date: Apr 2016
Journal: Quality and Reliability Engineering International
Authors:
Keywords: decision, inspection, statistics: sampling, programming: nonlinear
Abstract:

Acceptance sampling plans include a sampling scheme and a set of rules for determining whether an inspection lot from a supplier should be accepted or rejected. In some circumstances, the supplier is allowed to resubmit lots for further inspection when the original inspection result is unacceptable. In this study, two variables sampling plans based on the process‐yield index for a process with linear profiles are proposed to deal with lot sentencing. The single sampling plan is a special case of the resubmitted lots sampling plan. The plan parameters are determined using a nonlinear optimization method under the given values of producer's risk, consumer's risk, acceptable quality level, and lot tolerance percent defective. Numerous tables are provided to determine the plan parameters. One real example is used to illustrate our proposed method.

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