Abstract

This study introduces a new extended distribution of the Burr Type X distribution, using Marshall-Olkin method called the Marshall-Olkin Extended Burr Type X distribution. The new distribution is formulated by inducing a tilt parameter in the Burr Type X distribution of Marshall-Olkin, to account for the significance of the size of an event. Model parameters are obtained using maximum likelihood and Bayesian methods of estimation. The scale and shape parameters are specifically defined to identify the dimensions and density of an event. Mathematical and statistical properties and limitations of the distribution are also presented. Lifetime data analysis is performed to demonstrate the model’s applicability and flexibility. Akaike and Bayesian Information Criteria illustrate that the new distribution provides better fit compared to other distributions. This work is licensed under a Creative Commons Attribution 4.0 International License .

Highlights

  • Twelve different forms of distributions were introduced by Burr (1942), where the Burr Type X and Burr Type XII have gained significant interest from many researchers

  • The Likelihood ratio (LR) test statistics for testing the hypotheses H0: α = 1 versus H1: α ≠ 1 is Λ=146.33 (p-value < 0.05) which indicates that the Marshall Olkin extended Burr Type X (MOEBX) distribution is more suitable than Burr Type X distribution for this particular data set

  • The results indicate that the MOEBX distribution, in comparison with the Burr X distribution, has by far the lowest statistics of Akaike information criterion (AIC) and Bayesian information criterion (BIC) values

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Summary

Introduction

Twelve different forms of distributions were introduced by Burr (1942), where the Burr Type X and Burr Type XII have gained significant interest from many researchers. The single parameter distribution of the extended Burr Type X by Surles and Padgett (2001) considered as a generalized Rayleigh distribution This is characterized by normally distributed random variables with a zero mean and a constant variance, and has no correlation, and making it more applicable, instead of restricting its applicability for lifetime data.

Construction of the Extended Burr Type X Distribution of Marshall-Olkin
Properties of the Extended Burr Type X Distribution of Marshall-Olkin
The Hazard Function
Maximum Likelihood Estimation
Application to Real Life Data
Conclusion

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