The class of weighted exponential (WE) distribution was introduced in the seminal paper by Gupta and Kundu (2009) and have received a great deal of attention in recent years. In the present paper, we define a flexible extension of the weighted exponential distribution called new weighted exponential (NEW) distribution. Various structural properties including statistical and reliability measures of the new distribution are derived. The method of maximum likelihood is used to estimate the parameters of the distribution in complete and censored setting. A simulation study is conducted to examine the bias and mean square error of the maximum likelihood estimators. Finally, two real data sets have been analyzed for illustrative purposes and it is observed that in both cases the proposed model fits better than Weibull, gamma, weighted exponential, two-parameter weighted exponential, log-logistic , generalized exponential and generalized Weibull distributions.
Alan : Fen Bilimleri ve Matematik; Mühendislik
Dergi Türü : Uluslararası
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