A new estimator of finite population mean based on the dual use of the auxiliary information

Abdul Haq, Manzoor Khan and Zawar Hussain

Communications in Statistics - Theory and Methods, 2017, vol. 46, issue 9, 4425-4436

Abstract: When a sufficient correlation between the study variable and the auxiliary variable exists, the ranks of the auxiliary variable are also correlated with the study variable, and thus, these ranks can be used as an effective tool in increasing the precision of an estimator. In this paper, we propose a new improved estimator of the finite population mean that incorporates the supplementary information in forms of: (i) the auxiliary variable and (ii) ranks of the auxiliary variable. Mathematical expressions for the bias and the mean-squared error of the proposed estimator are derived under the first order of approximation. The theoretical and empirical studies reveal that the proposed estimator always performs better than the usual mean, ratio, product, exponential-ratio and -product, classical regression estimators, and Rao (1991), Singh et al. (2009), Shabbir and Gupta (2010), Grover and Kaur (2011, 2014) estimators.

Date: 2017
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Citations: View citations in EconPapers (3)

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DOI: 10.1080/03610926.2015.1083112

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