Exponential Chain Ratio and Product type Estimators for Finite Population Mean under Double Sampling Scheme
Auxiliary information, Exponential chain ratio and product estimators in double sampling, Study variate, Mean square error
Abstract
In this paper an exponential chain ratio and product type estimators in double sampling have been developed for estimating finite population mean of the study variable when the information on another additional auxiliary character is available along with the main auxiliary character. The bias and mean square error of the proposed estimators have been obtained in two different cases. Theoretical and empirical studies have been done to demonstrate the efficiency of the proposed strategy with respect to the strategies which utilizes the information on one and two auxiliary characteristics.
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2012-06-16
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