Moving Range and R Charts

Charles W. Champ; Deborah K. Shepherd

doi:10.1002/9780470061572.eqr250

Moving Range and R Charts

Charles W. Champ
, Deborah K. Shepherd

Mathematical Sciences

University of Tennessee, Chattanooga

Research output: Contribution to book or proceeding › Chapter › peer-review

Abstract

Control charts for controlling the process mean are affected by changes in the process standard deviation. Therefore it is important to also control the process standard deviation. Various control charting methods have been developed for this purpose. Two commonly recommended statistical methods for controlling the process standard deviation are the moving range (MR) and the range (R) charts. The designs of MR and R charts are discussed in this article and each is illustrated with an example.

Original language	English
Title of host publication	Encyclopedia of Statistics in Quality and Reliability
Publisher	Wiley
Pages	1-5
Number of pages	5
ISBN (Electronic)	9780470061572
ISBN (Print)	9780470018613
DOIs	https://doi.org/10.1002/9780470061572.eqr250
State	Published - Jan 1 2008

Scopus Subject Areas

General Engineering
General Mathematics

Keywords

Phase I
Phase II
cumulative sum
dispersion
quality control
run length

Access to Document

10.1002/9780470061572.eqr250License: Unspecified

Cite this

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KW - Phase I

KW - Phase II

KW - cumulative sum

KW - dispersion

KW - quality control

KW - run length

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Moving Range and R Charts

Abstract

Scopus Subject Areas

Keywords

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