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Estimation of Finite Population Mean in Stratified Random Sampling with Two Auxiliary Variables under Double Sampling Design

机译:双采样设计中具有两个辅助变量的分层随机抽样的有限群体的估计

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摘要

In this article, a chain ratio-product type exponential estimator is proposed for estimating finite population mean in stratified random sampling with two auxiliary variables under double sampling design. Theoretical and empirical results show that the proposed estimator is more efficient than the existing estimators, i.e., usual stratified random sample mean estimator, Chand (1975) chain ratio estimator, Choudhary and Singh (2012) estimator, chain ratio-product-type estimator, Sahoo et al. (1993) difference type estimator, and Kiregyera (1984) regression-type estimator. Two data sets are used to illustrate the performances of different estimators.
机译:在本文中,提出了一种链比 - 产品型指数估计器,用于估计有限群体在分层随机抽样中具有两种辅助变量的分层随机抽样。理论和经验结果表明,所提出的估计器比现有估算变得更有效,即通常分层随机样本估计器,Chand(1975)链比估算器,Choudhary和Singh(2012)估计,链率 - 产品型估算器, Sahoo等。 (1993)差异类型估算器,Kiregyera(1984)回归型估计。两个数据集用于说明不同估计器的性能。

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