Calibration approach-based chain ratio type and chain product type estimators in two-phase sampling involving two auxiliary variables
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DOI: 10.1080/15598608.2017.1341354
Abstract: In this article, we propose a chain ratio type and a chain product type estimator of population total in two-phase sampling when information on two auxiliary characters is available in different phases. It is assumed… read more here.
Keywords: ratio type; chain; type chain; auxiliary variables ... See more keywords
A Class of Ratio-Type Estimator Using Two Auxiliary Variables for Estimating The Population Mean With Some Known Population Parameters
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DOI: 10.18187/pjsor.v15i2.2558
Abstract: In this paper, we have suggested a class of ratio type estimators with a linear combination using two auxiliary variables with some known population mean of the study variable. The bias and the mean square… read more here.
Keywords: population; ratio; ratio type; class ratio ... See more keywords
A Novel Robust Class of Estimators for Estimation of Finite Population Mean: A Simulation Study
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DOI: 10.18187/pjsor.v20i3.4496
Abstract: In the existing survey sampling literature, the ratio-type estimators are an obvious choice to estimate the finite population mean when auxiliary information related to the study variable is readily available. Typically, auxiliary information is incorporated… read more here.
Keywords: study; ratio type; population mean; class estimators ... See more keywords