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Characterization of exponential distribution via regression of one record value on two non-adjacent record values

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Abstract

We characterize the exponential distribution as the only one which satisfies a regression condition. This condition involves the regression function of a fixed record value given two other record values, one of them being previous and the other next to the fixed record value, and none of them are adjacent. In particular, it turns out that the underlying distribution is exponential if and only if given the first and last record values, the expected value of the median in a sample of record values equals the sample midrange.

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Authors and Affiliations

  1. Department of Mathematics, The University of Texas-Pan American, 1201 W. University Drive, Edinburg, TX, 78539, USA

    George P. Yanev

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  1. George P. Yanev
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Correspondence to George P. Yanev.

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Yanev, G.P. Characterization of exponential distribution via regression of one record value on two non-adjacent record values. Metrika 75, 743–760 (2012). https://doi.org/10.1007/s00184-011-0350-z

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  • DOI: https://doi.org/10.1007/s00184-011-0350-z

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