Comparison between two process capability indices using generalized confidence intervals

被引：18
|
作者：
Kanichukattu, Jose K. [1 ]
Luke, Jane A. [2 ]
机构：
[1] St Thomas Coll, Dept Stat, Pala, Kerala, India
[2] Newman Coll Educ, Dept Stat, Thodupuzha, Kerala, India
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2013年 / 69卷 / 9-12期
关键词：
Confidence interval; Generalized confidence interval; Generalized pivotal quantity; Process capability index; LIMITS;
D O I：
10.1007/s00170-013-5244-y
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Processcapability indices (PCIs) are extensively used statistical measures to assess process performance in manufacturing industry. In this paper, confidence intervals for the difference between PCIs for two processes are derived by the generalized pivotal quantity method. The indices C (pk) , C (pmk) , and C (pm) are considered in this study. The performance of the proposed method is assessed using simulation study. The results are also illustrated using an example from industrial contexts.
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页码：2793 / 2798
页数：6
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