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A one-sided single screening procedure based on individual unit misclassification error

 

作者: HSIEN-TANG TSAI,   HERBERT MOSKOWITZ,   JEN TANG,  

 

期刊: IIE Transactions  (Taylor Available online 1995)
卷期: Volume 27, issue 6  

页码: 695-706

 

ISSN:0740-817X

 

年代: 1995

 

DOI:10.1080/07408179508936786

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

A procedure is proposed for screening applications in quality control that eliminates overselection (namely, the condition where the proportion of accepted screened items is greater than the proportion of conforming items in the original population) and controls for individual unit misclassification error (IME), namely, the probability of an accepted/selected item being below specification. Screening involves selecting items whose performance is within specifications based on observing one or more correlated screening variables in lieu of observing the performance variable directly. Overselection and an uncontrollably high IME can occur when (1) there is a high correlation between the performance and screening variables and (2) the proportion of conforming items among accepted items (or its complement, average outgoing quality (AOQ)), is prespecified as in, for example, Owenet al. (1975). We instead propose a procedure thatprespecifiesa maximum tolerable IME (emaxa) for accepted items, which eliminates overselection and assures that the IME of each outgoing item as well as the AOQ are both equal to or less than emaxa. The quality of eachindividual itemas well as AOQ is thereby explicitly controlled. Only the use of standard normal tables is required to implement our proposed procedure.

 

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