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The Kumaraswamy Unit-Gompertz Distribution and its Application to Lifetime Datasets

Innocent U. Akata, Festus C. Opone, Francis E. U. Osagiede

Abstract: This paper presents a new generalized bounded distribution called the Kumaraswamy unit-Gompertz (KUG) distribution. Some of the Mathematical properties which include; the density function, cumulative distribution function, survival and hazard rate functions, quantile, mode, median, moment, moment generating function, Renyi entropy and distribution of order statistics are derived. We employ the maximum likelihood estimation method to estimate the unknown parameters of the proposed KUG distribution. A Monte Carlo simulation study is carried out to investigate the performance of the maximum likelihood estimates of the unknown parameters of the proposed distribution. Two real datasets are used to illustrate the applicability of the proposed KUG distribution in lifetime data analysis.
Keywords: function / survival / Gompertz / Kumaraswamy / Lifetime / KUG / distribution / maximum likelihood / estimation method

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