The Effect of Non-Normality on Constants for X and R Charts

Article

Burr, Irving W.   (1967, ASQC)   Purdue University

Industrial Quality Control    Vol. 23    No. 11
QICID: 5683    May 1967    pp. 563-569
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Article Abstract

This article discusses non-normal distributions and their effect on control chart constants. Values of the constants for 28 different non-normal distributions are presented in tables.

Keywords

Statistical process control (SPC),Non-normality,X-bar and R control charts


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