Computational procedure of assessing lifetime performance index of Weibull lifetime products with the upper record values
| Autor: | Wen-Chuan Lee, Hsiu-Mei Lee, Chia-Ling Lei, Jong-Wuu Wu |
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| Rok vydání: | 2011 |
| Předmět: |
Numerical Analysis
General Computer Science Applied Mathematics Process capability Data transformation (statistics) Theoretical Computer Science Minimum-variance unbiased estimator Modeling and Simulation Statistics Test statistic Limit (mathematics) Null hypothesis Weibull distribution Mathematics Statistical hypothesis testing |
| Zdroj: | Mathematics and Computers in Simulation. 81:1177-1189 |
| ISSN: | 0378-4754 |
| DOI: | 10.1016/j.matcom.2010.11.004 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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