A Note on Average Run Lengths of Moving Average Control Charts

Abstract Using a counter example, we show that the formula for computing the Average Run Lengths (ARL) of a moving average control chart (MA) in Wetherill and Brown (1991) is incorrect. However, we conjecture that the formula may provide an upper bound for the ARL of a moving average control chart.

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Year of publication:	2004
Authors:	Zhang, Lingyun ; Lai, C. D. ; Govindaraju, K. ; Bebbington, M.
Published in:	Stochastics and Quality Control. - Walter de Gruyter GmbH & Co. KG, ISSN 2367-2404, ZDB-ID 2905267-1. - Vol. 19.2004, 1, p. 23-27
Publisher:	Walter de Gruyter GmbH & Co. KG
Subject:	Moving Average Control Chart \| ARL

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Type of publication:	Article
Type of publication (narrower categories):	research-article
Language:	English
Other identifiers:	10.1515/EQC.2004.23 [DOI]
Source:	Other ZBW resources

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