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Article

New Approach for a Weibull Distribution under the Progressive Type-II Censoring Scheme

1
Division of Convergence Education, Halla University, Wonju-si, Gangwon-do 26404, Korea
2
Department of Statistics, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Korea
*
Author to whom correspondence should be addressed.
Mathematics 2020, 8(10), 1713; https://doi.org/10.3390/math8101713
Submission received: 14 May 2020 / Revised: 9 June 2020 / Accepted: 15 June 2020 / Published: 5 October 2020
(This article belongs to the Special Issue Probability, Statistics and Their Applications)

Abstract

This paper proposes a new approach based on the regression framework employing a pivotal quantity to estimate unknown parameters of a Weibull distribution under the progressive Type-II censoring scheme, which provides a closed form solution for the shape parameter, unlike its maximum likelihood estimator counterpart. To resolve serious rounding errors for the exact mean and variance of the pivotal quantity, two different types of Taylor series expansion are applied, and the resulting performance is enhanced in terms of the mean square error and bias obtained through the Monte Carlo simulation. Finally, an actual application example, including a simple goodness-of-fit analysis of the actual test data based on the pivotal quantity, proves the feasibility and applicability of the proposed approach.
Keywords: pivotal quantity; progressive Type-II censored data; Weibull distribution; weighted least squares estimation pivotal quantity; progressive Type-II censored data; Weibull distribution; weighted least squares estimation

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MDPI and ACS Style

Seo, J.-I.; Jeon, Y.E.; Kang, S.-B. New Approach for a Weibull Distribution under the Progressive Type-II Censoring Scheme. Mathematics 2020, 8, 1713. https://doi.org/10.3390/math8101713

AMA Style

Seo J-I, Jeon YE, Kang S-B. New Approach for a Weibull Distribution under the Progressive Type-II Censoring Scheme. Mathematics. 2020; 8(10):1713. https://doi.org/10.3390/math8101713

Chicago/Turabian Style

Seo, Jung-In, Young Eun Jeon, and Suk-Bok Kang. 2020. "New Approach for a Weibull Distribution under the Progressive Type-II Censoring Scheme" Mathematics 8, no. 10: 1713. https://doi.org/10.3390/math8101713

APA Style

Seo, J.-I., Jeon, Y. E., & Kang, S.-B. (2020). New Approach for a Weibull Distribution under the Progressive Type-II Censoring Scheme. Mathematics, 8(10), 1713. https://doi.org/10.3390/math8101713

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