Evaluation of Run Length Distribution forX̄Charts with Unknown Variance
作者:
del CastilloEnrique,
期刊:
Journal of Quality Technology
(Taylor Available online 1996)
卷期:
Volume 28,
issue 1
页码: 116-122
ISSN:0022-4065
年代: 1996
DOI:10.1080/00224065.1996.11979642
出版商: Taylor&Francis
关键词: Average Run Length;Run Length Distributions;X̄Control Charts
数据来源: Taylor
摘要:
A C program for the computation of the run length distribution and average run length ofX̄charts with unknown process variance is presented. The integrals for the run length distribution and average run length are computed numerically using Gaussian quadrature and Gauss-Laguerre weighting functions. The program also gives the run length distribution and average run length ofX̄charts with control limits based on a method presented by Hillier for the unknown variance case.
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