Two-phase Ratio-type Estimator of a Finite Population Mean

P. A. Patel¹ , F. H. Shah²

Section:Research Paper, Product Type: Isroset-Journal
Vol.5 , Issue.5 , pp.199-203, Oct-2018

CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i5.199203

Online published on Oct 31, 2018

Copyright © P. A. Patel , F. H. Shah . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
This paper deals with the estimation of a finite population mean under two-phase sampling in presence of two auxiliary variables. A ratio-type estimator is proposed and its approximate properties are presented. An empirical study is carried out using three natural populations to compare the performance of the proposed estimator with other estimators discussed in this paper.

Key-Words / Index Term :
Auxiliary variables, mean square error (MSE), ratio and regression estimators, simulation, two-phase sampling

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