A Two-parameter Rama Distribution
Journal Title: Earthline Journal of Mathematical Sciences - Year 2019, Vol 2, Issue 2
Abstract
In this paper, a two-parameter Rama distribution is proposed. This is coined from Lindley distribution and Rama distribution. Its mathematical and statistical properties which include its shapes, moment, coefficient of variation, skewness, kurtosis, index of dispersion, hazard rate function, mean residual life function, stochastic ordering, mean deviation; Bonferroni and Lorenz curves are also discussed. The estimation of parameters has been X-rayed using methods of moment and maximum likelihood. Also AIC and BIC are used to test for the goodness of fit of the model which is applied to a real life data of hepatitis B patients. This new distribution is compared with Rama, 2-parameter Akash, 2-parameter Lindley, Akash, Shanker, Ishita, Lindley and Exponential distributions in order to determine the efficiency of the new model.
Authors and Affiliations
U. Umeh Edith, T. Umeokeke Ebele, A. Ibenegbu Henrietta
Keywords
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- EP ID EP611719
- DOI 10.34198/ejms.2219.365382
- Views 181
- Downloads 0
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A Two-parameter Rama Distribution
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