Predictive estimation of population mean in two-phase sampling

A. Bandyopadhyay and G.N. Singh

Communications in Statistics - Theory and Methods, 2016, vol. 45, issue 14, 4249-4267

Abstract: The present investigation deals with the problem of estimation of population mean in two-phase sampling. In the presence of two auxiliary variables, some classes of estimators have been proposed through predictive approach. Properties of the proposed classes of estimators have been studied, and the unbiased versions of these estimators along with their approximate variance expressions are obtained under simple random sampling without replacement scheme. The respective optimum strategies of the proposed estimators are discussed, and their empirical and graphical comparisons with some contemporary estimators of population mean have been made. Suitable recommendations to the survey practitioner are given.

Date: 2016
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DOI: 10.1080/03610926.2014.919396

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