This paper deals with the problem of estimating the finite population mean when some information on two auxiliary attributes are available. A class of estimators is defined which includes the estimators recently proposed by Malik and Singh (2012), Naik and Gupta (1996) and Singh et al. (2007) as particular cases. It is shown that the proposed estimator is more efficient than the usual mean estimator and other existing estimators. The study is also extended to two-phase sampling. The results have been illustrated numerically by taking empirical population considered in the literature.
Sampling Strategies for Finite Population Using Auxiliary Information
Simple random sampling, two-phase sampling, auxiliary attribute, point biserial correlation, phi correlation, efficiency
Malik, Sachin; Rajesh Singh; and Florentin Smarandache. "A Generalized Family Of Estimators For Estimating Population Mean Using Two Auxiliary Attributes." Sampling Strategies for Finite Population Using Auxiliary Information (2014): 1-12. https://digitalrepository.unm.edu/math_fsp/468
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