A new estimator of mean using double  sampling

Kalyan Rao  Vadlamudi; Stephen A.  Sedory; Sarjinder  Singh

doi:https://doi.org/10.21307/stattrans-2017-004

A new estimator of mean using double sampling

Kalyan Rao Vadlamudi Department of Mathematics, Texas A&M University-Kingsville, Kingsville, TX 78363, USA. , Stephen A. Sedory , Sarjinder Singh Statistics in Transition new series, vol. 18, 2017, 4, pages: 637-650 Published online: 29 December 2017 https://doi.org/10.21307/stattrans-2017-004

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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

KEYWORDS

Two-phase sampling, relative efficiency, analytical and empirical comparison.

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