
In this paper, we refined the concept of past extropy measure for concomitants of order statistics from Farlie-Gumbel-Morgenstern family. In addition, cumulative past extropy measure and dynamic cumulative past extropy measure for concomitant of rth order statistic are also conferred and their properties are studied. The problem of estimating the cumulative past extropy is investigated using empirical technique. The validity of the proposed estimator has been emphasized using simulation study.
Farlie-Gumbel-Morgenstern family, cumulative past extropy, concomitants of order statistics, QA1-939, past extropy, concomitants of order statistics; Farlie-Gumbel-Morgenstern family; past extropy; cumulative past extropy; dynamic cumulative past extropy, dynamic cumulative past extropy, Mathematics
Farlie-Gumbel-Morgenstern family, cumulative past extropy, concomitants of order statistics, QA1-939, past extropy, concomitants of order statistics; Farlie-Gumbel-Morgenstern family; past extropy; cumulative past extropy; dynamic cumulative past extropy, dynamic cumulative past extropy, Mathematics
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