A NEW ESTIMATOR OF MEAN USING DOUBLE SAMPLING

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Statistics in Transition New Series

Polish Statistical Association

Central Statistical Office of Poland

Subject: Economics, Statistics & Probability

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ISSN: 1234-7655
eISSN: 2450-0291

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VOLUME 18 , ISSUE 4 (December 2017) > List of articles

A NEW ESTIMATOR OF MEAN USING DOUBLE SAMPLING

Kalyan Rao Vadlamudi / Stephen A. Sedory / Sarjinder Singh

Keywords : Two-phase sampling, relative efficiency, analytical and empirical comparison

Citation Information : Statistics in Transition New Series. Volume 18, Issue 4, Pages 637-650, DOI: https://doi.org/10.21307/stattrans-2017-004

License : (CC BY 4.0)

Published Online: 22-January-2018

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ABSTRACT

In this paper, we consider the problem of estimation of population mean of a study variable by making use of first-phase sample mean and first-phase sample median of the auxiliary variable at the estimation stage. The proposed new estimator of the population mean is compared to the sample mean estimator, ratio estimator and the difference type estimator for the fixed cost of the survey by using the concept of two-phase sampling. The magnitude of the relative efficiency of the proposed new estimator has been investigated through simulation study.

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