New family of estimators for population mean using regression-cum-ratio exponential estimators
by S.K. Yadav; Cem Kadilar; Dinesh K. Sharma
International Journal of Mathematics in Operational Research (IJMOR), Vol. 18, No. 1, 2021

Abstract: Sampling is inevitable whenever the population is vast, and one estimates the population mean rather than to calculate it. This article improves the estimation for the population mean of the primary variable through a new ratio-cum-exponential ratio family of estimators. The estimation properties, mainly bias and mean squared errors (MSE), are studied up to an approximation of order one for the suggested family. We make a comparison of the suggested family of estimators with the existing competing estimators of the population mean of the main variable in theory. In this way, the efficiency conditions for the suggested family are obtained. These conditions are satisfied in practice using the numerical example.

Online publication date: Wed, 06-Jan-2021

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