Determining the most appropiate [sic] sampling interval for a Shewhart X-chart

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dc.contributor.authorVining, G. Geoffreyen
dc.contributor.departmentStatisticsen
dc.date.accessioned2019-10-10T19:12:03Zen
dc.date.available2019-10-10T19:12:03Zen
dc.date.issued1986en
dc.description.abstractA common problem encountered in practice is determining when it is appropriate to change the sampling interval for control charts. This thesis examines this problem for Shewhart X̅ charts. Duncan's economic model (1956) is used to develop a relationship between the most appropriate sampling interval and the present rate of"disturbances,” where a disturbance is a shift to an out of control state. A procedure is proposed which switches the interval to convenient values whenever a shift in the rate of disturbances is detected. An example using simulation demonstrates the procedure.en
dc.description.degreeM.S.en
dc.format.extentvii, 66 leavesen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/94487en
dc.language.isoenen
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 15715962en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1986.V564en
dc.subject.lcshQuality control -- Charts, diagrams, etcen
dc.subject.lcshQuality control -- Statistical methodsen
dc.subject.lcshSampling (Statistics)en
dc.subject.lcshStatistics -- Charts, diagrams, etcen
dc.titleDetermining the most appropiate [sic] sampling interval for a Shewhart X-charten
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineStatisticsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameM.S.en

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