Advances and Applications in Statistics
Volume 20, Issue 2, Pages 143 - 151
(February 2011)
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VARIABLE SAMPLE SIZE CHARTS
Baocai Guo
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Abstract: The assumption behind the Shewhart chart is not met. This paper proposes ?charts with asymmetric sample sizes. Comparisons with the standard symmetric sample size chart indicate that these charts may speed up in detecting many shifts of process mean. |
Keywords and phrases: control chart, asymmetric sampling intervals, average time to signal. |
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