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Improved Class of Ratio -Cum- Product Estimators of Finite Population Mean in Two Phase Sampling
Waikhom Warseen Chanu, B. K. Singh
Volume 14 Issue 2
Global Journal of Science Frontier Researc
Volume 14 Issue 2
Global Journal of Science Frontier Researc
In the present study, we have proposed a class of ratio-cum-product estimators for estimating finite population mean of the study variable in two phase sampling. The bias and mean square error of the proposed estimator have been obtained. The asymptotically optimum estimator (AOE) in this class has also been identified along with its approximate bias and mean square error. Comparison of the proposed class of estimators with other estimators is also worked out theoretically to demonstrate the superiority of the proposed estimator over the other estimators.
