X̄ chart with variable sample size and sampling intervals

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorCosta, Antonio F. B.
dc.date2014-05-27T11:18:13Z
dc.date2016-10-25T18:14:25Z
dc.date2014-05-27T11:18:13Z
dc.date2016-10-25T18:14:25Z
dc.date1997-04-01
dc.date.accessioned2017-04-06T00:49:27Z
dc.date.available2017-04-06T00:49:27Z
dc.identifierJournal of Quality Technology, v. 29, n. 2, p. 197-204, 1997.
dc.identifier0022-4065
dc.identifierhttp://hdl.handle.net/11449/65085
dc.identifierhttp://acervodigital.unesp.br/handle/11449/65085
dc.identifier2-s2.0-0031118181
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/886843
dc.descriptionRecent theoretical studies have shown that the X̄ chart with variable sampling intervals (VSI) and the X̄ chart with variable sample size (VSS) are quicker than the traditional X̄ chart in detecting shifts in the process. This article considers the X̄ chart with variable sample size and sampling intervals (VSSI). It is assumed that the amount of time the process remains in control has exponential distribution. The properties of the VSSI X̄ chart are obtained using Markov chains. The VSSI X̄ chart is even quicker than the VSI or VSS X̄ charts in detecting moderate shifts in the process.
dc.languageeng
dc.relationJournal of Quality Technology
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAverage Time to Signal
dc.subjectControl Charts
dc.subjectStatistical Process Control
dc.subjectVariable Sample Size Control Charts
dc.subjectVariable Sampling Interval Control Charts
dc.subjectMarkov processes
dc.subjectStatistical methods
dc.subjectVariable sample size (VSS)
dc.subjectVariable sampling intervals (VSI)
dc.subjectProcess control
dc.titleX̄ chart with variable sample size and sampling intervals
dc.typeOtro


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