Statistics and Probability Letters, ( ISI ), Volume (79), No (1), Year (2009-1) , Pages (29-37)

Title : ( Current -records and their use in distribution-free confidence intervals )

Authors: Jafar Ahmadi , Mostafa Razmkhah , N. Balakrishnan ,

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Abstract

In a sequence of independent and identically distributed (iid) random variables, the kth largest (smallest) observation in a partial sample is well-known as the upper (lower) k-record value, when its value is greater (smaller) than the corresponding observation in the previous partial sample. In this paper, we consider the k-record statistics at the time when the nth k-record of any kind (either an upper or lower) is observed, termed as current k-records. We derive a general expression for the joint probability density function (pdf) of these current k-records and use it to construct distribution-free confidence intervals for population quantiles. It is shown that the expected width of these confidence intervals is decreasing in k and increasing in n. We also discuss the construction of tolerance intervals and limits in terms of current k-records. Finally, a numerical example is presented to illustrate all the methods of inference developed here.

Keywords

record values
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@article{paperid:1011711,
author = {Ahmadi, Jafar and Razmkhah, Mostafa and N. Balakrishnan},
title = {Current -records and their use in distribution-free confidence intervals},
journal = {Statistics and Probability Letters},
year = {2009},
volume = {79},
number = {1},
month = {January},
issn = {0167-7152},
pages = {29--37},
numpages = {8},
keywords = {record values},
}

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%0 Journal Article
%T Current -records and their use in distribution-free confidence intervals
%A Ahmadi, Jafar
%A Razmkhah, Mostafa
%A N. Balakrishnan
%J Statistics and Probability Letters
%@ 0167-7152
%D 2009

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