The rate of false signals in X-bar control charts with estimated limits

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dc.contributor.authorBischak, Dianeeng
dc.contributor.authorTrietsch, Daneng
dc.date.accessioned2012-02-16T22:51:00Z
dc.date.available2012-02-16T22:51:00Z
dc.date.issued2007
dc.descriptionArticle deposited after permission was granted by the American Society for Quality Control, August 31, 2011.eng
dc.description.abstractThe in-control statistical properties of X-bar charts have usually been studied from the perspective of the average run length (ARL) until the first (false) signal, known as the in-control ARL. We argue that the ARL is a confusing concept when used with charts with estimated limits and that the rate of false signals (RFS), which focuses on the behavior of charts during extended use, is more intuitive. We use the RFS to illustrate graphically the dangers of using too few subgroups to estimate control limits. We also discuss diffidence charts, which make the inherent uncertainty concerning RFS observable to the practitioner and thus help the practitioner determine what is an acceptable number of subgroups for a given charting application.eng
dc.description.refereedYeseng
dc.identifier.citationDiane P Bischak, & Dan Trietsch. (2007). The Rate of False Signals in X-bar Control Charts with Estimated Limits. Journal of Quality Technology, 39(1), 54-65.eng
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/33956
dc.identifier.issn0022-4065
dc.identifier.urihttp://hdl.handle.net/1880/48906
dc.language.isoengeng
dc.publisherAmerican Society for Qualityeng
dc.publisher.corporateUniversity of Calgaryeng
dc.publisher.facultyHaskayne School of Businesseng
dc.publisher.urlhttp://asq.org/pub/jqt/eng
dc.subjectAverage run lengtheng
dc.subjectControl limitseng
dc.subject.otherDiffidenceeng
dc.subject.otherEstimated parameterseng
dc.titleThe rate of false signals in X-bar control charts with estimated limitseng
dc.typejournal article
thesis.degree.disciplineOperations Managementeng
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