Estimation of location and scale parameters in two-parameter exponential distribution based on ranked set sample
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Author list: Sarikavanij S., Kasala S., Sinha B.K., Tiensuwan M.
Publisher: Taylor and Francis Group
Publication year: 2014
Journal: Communications in Statistics - Simulation and Computation (0361-0918)
Volume number: 43
Issue number: 1
Start page: 132
End page: 141
Number of pages: 10
ISSN: 0361-0918
eISSN: 1532-4141
Languages: English-Great Britain (EN-GB)
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Abstract
In this article, we are interested in simultaneous comparison of the location and scale estimators of a two-parameter exponential distribution based on simple random sample (SRS) and ranked set sample (RSS) by using generalized variance (GV). We suggest various RSS strategies to estimate the scale parameter. Their performances in terms of GV are compared with SRS strategy. Finally, we illustrate the minimum values of set size, n, based on RSS, which would result in smaller GV than that based on SRS. ฉ 2014 Taylor and Francis Group, LLC.
Keywords
Generalized variance, Location and scale parameters, Ranked set sample
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