Abstract #301515


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JSM 2002 Abstract #301515
Activity Number: 184
Type: Contributed
Date/Time: Tuesday, August 13, 2002 : 8:30 AM to 10:20 AM
Sponsor: Section on Quality & Productivity*
Abstract - #301515
Title: Simple Models for the Probability of Misclassification Due to Inspection Error
Author(s): Donald McCormack*+
Affiliation(s): International Sematech
Address: 2706 Montopolis Drive, Austin, Texas, 78741,
Keywords: Inspection ; Inspection Error ; Measurement Error ; Quality Control ; Nonconformance ; Misclassification
Abstract:

A common practice in manufacturing is to classify an item based on the measurement of one or more continuous factors. The decision may be binary, as in the case of product being accepted or rejected contingent on a specification value; or it may consist of more than two categories, such as when parts are binned according to quality. In both situations, the probability misclassification will depend on the product characteristic distribution, the measurement error, the inspection schema, and the classification criteria. The purpose of this discussion is to propose a series of simple models that may be employed to model these probabilities. Single characteristic, single measurement inspections will be emphasized, but other situations will be addressed if time permits.


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Revised March 2002