Barriga, Gladys Dorotea Cacsire [UNESP]Louzada-Neto, FransciscoCancho, Vicente G.2014-05-202014-05-202011-03-01Computational Statistics & Data Analysis. Amsterdam: Elsevier B.V., v. 55, n. 3, p. 1250-1259, 2011.0167-9473http://hdl.handle.net/11449/41101In this paper we propose a new lifetime distribution which can handle bathtub-shaped unimodal increasing and decreasing hazard rate functions The model has three parameters and generalizes the exponential power distribution proposed by Smith and Bain (1975) with the inclusion of an additional shape parameter The maximum likelihood estimation procedure is discussed A small-scale simulation study examines the performance of the likelihood ratio statistics under small and moderate sized samples Three real datasets Illustrate the methodology (C) 2010 Elsevier B V All rights reserved1250-1259engExponential power distributionBathtub shaped hazard functionUnimodal hazard functionLifetime dataArtigo10.1016/j.csda.2010.09.005WOS:000285663400007Acesso restrito5267593860042306