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A Study of Control Charts with Variable Sample Size

Shewhart X bar control charts with estimated control limits
are widely used in practice. When the sample size is not fixed,we propose seven statistics to estimate the standard deviation sigma . These estimators are applied to estimate the control limits of Shewhart X bar control chart. The estimated results through simulated computation are given and discussed. Finally, we investigate the performance of the Shewhart X bar control charts based on the seven estimators of sigma via its simulated average run length (ARL).

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0708104-231919
Date08 July 2004
CreatorsHuang, Guo-Tai
ContributorsJyh-Cherng Su, Mong-Na Lo, Ray-bin Chen
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0708104-231919
Rightsunrestricted, Copyright information available at source archive

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