Journal
MATHEMATICS
Volume 10, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/math10214102
Keywords
ranked set sampling; inverted Kumaraswamy distribution; maximum product spacing; maximum likelihood; Cramer-von Mises
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Funding
- Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R226]
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This article discusses the application of ranked set sampling in the estimation of inverted Kumaraswamy distribution parameters. Through simulation studies and real data application, it is demonstrated that the RSS-based estimators outperform their simple random sampling counterparts.
The ranked set sampling (RSS) methodology is an effective technique of acquiring data when measuring the units in a population is costly, while ranking them is easy according to the variable of interest. In this article, we deal with an RSS-based estimation of the inverted Kumaraswamy distribution parameters, which is extensively applied in life testing and reliability studies. Some estimation techniques are regarded, including the maximum likelihood, the maximum product of spacing's, ordinary least squares, weighted least squares, Cramer-von Mises, and Anderson-Darling. We demonstrate a simulation investigation to assess the performance of the suggested RSS-based estimators via accuracy measures relative to simple random sampling. On the basis of actual data regarding the waiting times between 65 consecutive eruptions of Kiama Blowhole, additional conclusions have been drawn. The outcomes of simulation and real data application demonstrated that RSS-based estimators outperformed their simple random sampling counterparts significantly based on the same number of measured units.
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