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首页> 外文期刊>Model assisted statistics and applications >Estimation Of Finite Population Mean Using Two Auxiliary Variables In Sample Surveys
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Estimation Of Finite Population Mean Using Two Auxiliary Variables In Sample Surveys

机译：在样本调查中使用两个辅助变量估计有限总体均值

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摘要

This paper proposes two ratio-cum-product estimators of a finite population mean using coefficient of variation of auxiliary variates and correlation coefficient between auxiliary variates. The bias and mean squared error of the proposed estimators are obtained under large sample approximation. Two almost unbiased ratio-cum-product estimators have also been obtained by using Jackknife technique given by Quenouille [3]. Proposed estimators have been compared with simple mean estimator, usual ratio estimator, product estimator, estimators proposed by Singh [2] and Singh and Tailor [6]. An empirical study is carried out to examine the performance of the proposed estimators.
机译：本文利用辅助变量的变异系数和辅助变量之间的相关系数，提出了两种总体人口均值的比率积积估计器。在大样本逼近下，获得了所提出估计量的偏差和均方误差。通过使用Quenouille给出的Jackknife技术，还获得了两个几乎无偏差的比率暨乘积估计量[3]。提议的估计量已与Singh [2]和Singh and Tailor [6]提出的简单均值估计量，常规比率估计量，乘积估计量，估计量进行了比较。进行了一项实证研究，以检验所提出估计量的性能。

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