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ISSN: 2321-9653
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Ijraset Journal For Research in Applied Science and Engineering Technology

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Estimation Based on Optimally Selected Single Order Statistic in Pareto: Rayleigh Distribution

Authors: M. S. Ravikumar, I. Narasimha Rao , R. R. L. Kantam

DOI Link: https://doi.org/10.22214/ijraset.2022.40903

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Abstract

A special case of the well known T – X family of distributions proposed by Ayman Alzaatreh et al. (2012) called Pareto – Rayleigh (P – R) distribution is considered. Its scale parameter is estimated using a single order statistic in small samples. Optimal criterion for the choice of single order statistic in a given small sample is worked out. Comparison is made with the corresponding optimal choice of single order statistic with respect to the criterion of asymptotic variance. The results are extended to estimate parametric functions like reliability and hazard rate.

Introduction

Subba Rao et al. (2015) studied maximum likelihood method estimation, modified maximum likelihood method estimation of the parameter θ for a given shape parameter. He also suggested method of estimation of θ based on single order statistic corresponding to minimum asymptotic variance. In this paper we attempt to propose estimation of θ based on single order statistic with respect to optimum small sample variance along with the asymptotic relative efficiency. The procedure is extended to estimate of reliability function as well as hazard function adopting the invariance property for estimation using order statistics. The paper is organized with Section – 2 dealing with estimation of parameters and Section – 3 dealing with estimation of parametric functions.

II. PARAMETRIC ESTIMATION

We know that the cdf of P – R model is given by

References

[1] Alzaatreh, A., Famoye, F., and Lee, C. (2012). Gamma-Pareto Distribution and Its Applications. Journal of Modern Applied Statistical Methods, Vol. 11, No. 1, 78-94. [2] Balakrishnan, N. and Cohen, A.C. (1991). Order Statistics and Inference, Academic Press. INC, London. [3] Gupta, S.S.(1962). Gamma distribution, in Contributions to Order Statistics, John Wiley & Sons, New York. [4] Sarhan, A. E. and Greenberg, B. G. (1962). Contributions to Order Statistics, Wiley, New York. [5] Subba Rao, R., Kantam, R.R.L., and Prasad, G. (2015). Modified Maximum likelihood Estimation in Pareto-Rayleigh distribution. Golden Research Thoughts, 140-152.

Copyright

Copyright © 2022 M. S. Ravikumar, I. Narasimha Rao , R. R. L. Kantam. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

ijraset40903Ravikumar

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Authors : M.S.RAVIKUMAR

Paper Id : IJRASET40903

Publish Date : 2022-03-21

ISSN : 2321-9653

Publisher Name : IJRASET

DOI Link : Click Here

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International Journal for Research in Applied Science and Engineering Technology (IJRASET) is an international peer reviewed, online journal published for the enhancement of research in various disciplines of Applied Science & Engineering Technologies.

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