A Generalized Approach for Estimation of a Finite Population Mean in Two-Phase Sampling
Ashish Tiwari, Manish Kumar, Sarvesh Kumar Dubey
Asian Journal of Probability and Statistics · pp. 45–58 · Published 13 Mar 2023
10.9734/ajpas/2023/v21i3467Abstract
The present paper deals with the formulation of a generalized class of ratio-cum-product estimators for the estimation of a finite population mean in two-phase sampling. The mathematical expressions for the mean square errors (MSEs) of the preliminary and proposed estimators are derived. It has been established that the proposed class encompasses a wide range of estimators for specific choices of the scalars. The relative performance of the proposed class, as compared to the preliminary estimators, is evaluated using the MSE criterion. In addition, optimum sample sizes of the first-phase and second-phase samples are obtained using a specified cost function. The theoretical findings are empirically assessed by computing MSEs and percent relative efficiencies (PREs) of various estimators based on real population datasets. The findings of the study reveal that the proposed class of estimators are superior as compared to the preliminary estimators for the estimation of mean.
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Cited by 2
Jing Wang, Sohaib Ahmad, Muhammad Arslan · Heliyon · 2023
Showing 1 of 2 known citations — external sources report more than can currently be individually listed.
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