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A two-parameter of weighted exponential distributions

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  • Shakhatreh, M.K.

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.

Suggested Citation

  • Shakhatreh, M.K., 2012. "A two-parameter of weighted exponential distributions," Statistics & Probability Letters, Elsevier, vol. 82(2), pages 252-261.
    • Handle: RePEc:eee:stapro:v:82:y:2012:i:2:p:252-261
    DOI: 10.1016/j.spl.2011.10.008
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    References listed on IDEAS

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    1. Arnold, Barry C. & Beaver, Robert J., 2000. "The skew-Cauchy distribution," Statistics & Probability Letters, Elsevier, vol. 49(3), pages 285-290, September.
    2. Saralees Nadarajah, 2009. "The skew logistic distribution," AStA Advances in Statistical Analysis, Springer;German Statistical Society, vol. 93(2), pages 187-203, June.
    3. Jamalizadeh, A. & Behboodian, J. & Balakrishnan, N., 2008. "A two-parameter generalized skew-normal distribution," Statistics & Probability Letters, Elsevier, vol. 78(13), pages 1722-1726, September.
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