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Some classes of modified ratio type estimators in sample surveys

A. K. P. C. Swain () and Manjula Das

Statistics in Transition new series, 2015, vol. 16, issue 1, 37-52

Abstract: In this paper some classes of modified ratio type estimators with additive and multiplicative adjustments made to the simple mean per unit estimator and classical ratio estimator are suggested to obtain more efficient ratio type estimators compared to the classical one. Their biases and mean square errors are obtained and compared with first order approximations.

Keywords: ratio type estimator; simple random sampling; bias; mean square error; efficiency. (search for similar items in EconPapers)
JEL-codes: C13 C83 (search for similar items in EconPapers)
Date: 2015
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