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Estimation of Reliability for Exponential Distributions Using Ranked Set Sampling with Unequal Samples

机译:使用不等样本的排序集抽样估计指数分布的可靠性

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ThispaperconsiderstheproblemofestimatingthereliabilityR=P(XY)forasystemwithstrengthXandstressY.Wepresentthebestlinearunbiasedestimatorandthemodifiedmaximumlikelihoodestimatorbasedonrankedsetsamplingwithunequalsamples,whenXandYbothfollowexponentialdistributions.Thepropertiesoftheseestimatorsareinvestigated.Theproposedestimatorsareshowntobesuperiortotheknownestimatorsbasedonsimplerandomsamplingandrankedsetsampling.Finally,resultsofanapplicationtoarealdatasetarepresentedtoillustratesomeofthetheoreticalfindings.
机译:ThispaperconsiderstheproblemofestimatingthereliabilityR = P(XGT; Y)forasystemwithstrengthXandstressY.Wepresentthebestlinearunbiasedestimatorandthemodifiedmaximumlikelihoodestimatorbasedonrankedsetsamplingwithunequalsamples,whenXandYbothfollowexponentialdistributions.Thepropertiesoftheseestimatorsareinvestigated.Theproposedestimatorsareshowntobesuperiortotheknownestimatorsbasedonsimplerandomsamplingandrankedsetsampling.Finally,resultsofanapplicationtoarealdatasetarepresentedtoillustratesomeofthetheoreticalfindings。

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