A two-parameter of weighted exponential distributions

M.K. Shakhatreh

Statistics & Probability Letters, 2012, vol. 82, issue 2, 252-261

Abstract: In this paper, a class of distributions called the two-parameter weighted exponential distributions is introduced (TWE). This new class of distributions generalizes the ones–weighted exponential distributions (WE)–proposed by Gupta and Kundu (2009). The main properties of this new class of distributions are investigated. Several statistical properties and statistical inferences are then obtained and studied. Two real data sets of which one is a right censored data set were analyzed, and it is shown that in both two cases our model fits much better than WE or some other existing models.

Keywords: Asymptotic distribution; Hazard function; Maximum likelihood estimates; Method of moments (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1016/j.spl.2011.10.008

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