Sigma Level as a Performance Metric and Some Drawbacks

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Journal of Korean Society for Quality Management > Volume 27(4); 1999 > Article

Journal of Korean Society for Quality Management 1999;27(4): 229-.

경영성과 척도로서의 시그마 수준과 문제점

권혁무¹, 김상부², 홍성훈³, 이민구⁴

¹부경대학교 산업시스템 · 안전공학부
²창원대학교 산업공학과
³전북대학교 산업공학과
⁴서원대학교 경영학과

Sigma Level as a Performance Metric and Some Drawbacks

ABSTRACT

Drawbacks of using sigma level as a performance metric is reviewed. The concept of sigma level is introduced and methods of calculating sigma levels for various cases are illustrated with examples. Drawbacks of using sigma level as performance metric are also discussed with some suggestions for overcoming them.