標題: Bootstrap confidence interval of the difference between two process capability indices
作者: Chen, JP
Tong, LI
工業工程與管理學系
Department of Industrial Engineering and Management
關鍵字: bootstrap method;interval estimation;process capability index;sensitivity analysis
公開日期: 2003
摘要: The process capability index, C-pk, is extensively used to assess process performance in manufacturing industry. Statistical hypothesis testing or an interval estimation of a single C-pk had been derived under a normally distributed process. However, the difference between two process capabilily indices, C-pk1 - C-pk2, cannot be inferred statistically because of the complexily of the sampling probability theory. This study proposes a bootstrap resampling simulation method to construct the biased corrected percentile bootstrap (BCPB) confidence interval Of (C-pk1 - C-pk2), which can be used to select the better of two suppliers. The various simulation results indicate that the bootstrap confidence interval Of (C-pk1 - C-pk2) can be employed to evaluate effectively the difference between the performance of two suppliers.
URI: http://hdl.handle.net/11536/28234
http://dx.doi.org/10.1007/s001700300029
ISSN: 0268-3768
DOI: 10.1007/s001700300029
期刊: INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume: 21
Issue: 4
起始頁: 249
結束頁: 256
顯示於類別:期刊論文


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