Abstract
Characterizations of the exponential, the Pearsonian Type XI and a finite range distributions have been obtained in terms of different constant coefficients of variation of residual life. These results have also been stated in terms of conditional expectations of suitably chosen functions of order statistics. A few earlier results have been generalised. Some related results in IMRL and DMRL. classes of distributions have been presented . Also characterizations involving the product of failure rate and mean residual life are aiven.
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