Computational procedure of assessing lifetime performance index of Weibull lifetime products with the upper record values

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Title:	Computational procedure of assessing lifetime performance index of Weibull lifetime products with the upper record values
Authors:	Lee, Hsiu-Mei;Lee, Wen-Chuan;Lei, Chia-Ling;Wu, Jong-Wuu
Contributors:	淡江大學統計學系
Keywords:	Process capability indices;Weibull distribution;Upper record values;UMVUE;Data transformation
Date:	2010-12
Issue Date:	2011-10-23 16:31:18 (UTC+8)
Publisher:	Amsterdam: Elsevier BV * North-Holland
Abstract:	Process capability indices (PCIs) are used to measure process potential and performance. This study constructs an uniformly minimum variance unbiased estimator (UMVUE) of the lifetime performance index based on the upper record values for Weibull lifetime model. Then the UMVUE of the lifetime performance index is utilized to develop the new hypothesis testing procedure in the condition of known lower specification limit. Finally, two examples are presented to assess the behavior of this test statistic for testing null hypothesis under given significance level. Moreover, the product managers can then employ the new testing procedure to determine whether the process adheres to the required level.
Relation:	Mathematics Computers in Simulation 81(6), pp.1177-1189
DOI:	10.1016/j.matcom.2010.11.004
Appears in Collections:	[Graduate Institute & Department of Statistics] Journal Article

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