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Inference for the common mean of several Birnbaum–Saunders populations

Xu Guo (), Hecheng Wu, Gaorong Li and Qiuyue Li

Journal of Applied Statistics, 2017, vol. 44, issue 5, 941-954

Abstract: The Birnbaum–Saunders distribution is a widely used distribution in reliability applications to model failure times. For several samples from possible different Birnbaum–Saunders distributions, if their means can be considered as the same, it is of importance to make inference for the common mean. This paper presents procedures for interval estimation and hypothesis testing for the common mean of several Birnbaum–Saunders populations. The proposed approaches are hybrids between the generalized inference method and the large sample theory. Some simulation results are conducted to present the performance of the proposed approaches. The simulation results indicate that our proposed approaches perform well. Finally, the proposed approaches are applied to analyze a real example on the fatigue life of 6061-T6 aluminum coupons for illustration.

Date: 2017
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DOI: 10.1080/02664763.2016.1189521

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