International Journal of Nonlinear Analysis and Applications

The Topp Leone Flexible Weibull distribution: An extension of the Flexible Weibull distribution

Document Type : Research Paper

Authors

1 Tikrit University, Collage of Education for Women, Department of Mathematics, Iraq.

2 Tikrit University, Collage of Management and Economics, Department of Public Administration, Iraq.

3 Tikrit University, Collage of Computer Science and Mathematics, Department of Mathematics, Iraq.

Abstract

A new probability model for positively skewed datasets like economic data, medical, engineering and other sciences was developed in this paper. The new distribution is named the Topp-Leone Flexible Weibull distribution and it was generated using the Topp-Leone-G family of distributions. This new distribution has three parameters and it is very flexible in fitting several and different datasets. Its basic mathematical properties were studied and the method of maximum likelihood estimation was used for the estimation of model parameters. A real life dataset was used to illustrate the flexibility of the distribution and it was found that the new model provides a better fit to real life datasets than the Topp Leone Burr XII, Topp Leone Lomax and Exponentiated Generalized Flexible Weibull distributions.

Keywords

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International Journal of Nonlinear Analysis and Applications
Volume 13, Issue 1
March 2022
Pages 2999-3010
  • Receive Date: 04 June 2021
  • Accept Date: 24 November 2021