Journal of Korean Society for Quality Management (품질경영학회지)
- Volume 27 Issue 2
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- Pages.81-100
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- 1999
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- 1229-1889(pISSN)
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- 2287-9005(eISSN)
Criticism and Guideline for the Use of Process Capability Index
공정능력지수에 대한 비평과 올바른 공정능력분석 절차
- Baik, Jai-Wook (Korea National Open University) ;
- Jo, Jin-Nam (Dongduk Women's University)
- Published : 1999.06.01
Abstract
Process capability indexes are widely used in industries. Nevertheless, important statistical issues that deal with the appropriate use of process capability indexes have only appeared in the technical literature and are thus unknown to many users. In this paper we will first review various kinds of process capability indexes and then try to understand how much uncertainty is associated with them in relation to the assumption of normal distribution, the estimate of
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