Some chain-type exponential estimators  of population mean in two-phase sampling

G. N. Singh; D.  Majhi

doi:https://doi.org/10.59170/stattrans-2014-015

Some chain-type exponential estimators of population mean in two-phase sampling

G. N. Singh Department of Applied Mathematics, Indian School of Mines, Dhanbad-826004, India. , D. Majhi Department of Applied Mathematics, Indian School of Mines, Dhanbad-826004, India. Statistics in Transition new series, vol. 15, 2014, 2, pages: 221-230 Published online: 2 June 2014 https://doi.org/10.59170/stattrans-2014-015

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ABSTRACT

Using the information on two-auxiliary variables, three different exponential chain-type estimators of population mean of study variable have been proposed in two-phase (double) sampling. Properties of the proposed estimators have been studied and their performances are examined with respect to several well known chain-type estimators. Empirical studies are carried out to support the theoretical results.

KEYWORDS

two-phase, auxiliary information, bias, mean square error. Mathematics subject classification: 62D05

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