Investigation of Estimator problem for Karl-pearson Coefficient of Variance from Bayes Frame
Zhang Hong-gang
Abstract
Zhang Hong-gang
Abstract
In this paper,we dealt with the Bayesian estimation problem for Karl-Pearson coefficient of variance about Poisson distribution,given the Poisson random sample X1,X2,…,Xn,we obtained the exact form of Bayes estimator and discussed the admissibility of it,using the p,q symmetric loss L(θ,δ)=(θ,δ)p+(δ/θ)q-2,p,q∈Z+.Finally,we investigated the maximal posterior interval estimation of coefficient of variance about Poisson distribution.
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In this paper,we dealt with the Bayesian estimation problem for Karl-Pearson coefficient of variance about Poisson distribution,given the Poisson random sample X1,X2,…,Xn,we obtained the exact form of Bayes estimator and discussed the admissibility of it,using the p,q symmetric loss L(θ,δ)=(θ,δ)p+(δ/θ)q-2,p,q∈Z+.Finally,we investigated the maximal posterior interval estimation of coefficient of variance about Poisson distribution.
Key concepts: Mathematics, Poisson distribution, Statistics, Bayes estimator, Estimator, Bayes' theorem, Variance (accounting), Sample variance