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Outlier Robustness of the Estimators of Variance of the Ratio Estimator


RO Otieno
C Wafula

Abstract

This paper investigates the sensitivities of the variance estimators for the ratio estimator. The model-based estimators VD and VL are found to be more sensitive to outliers than the rest of the estimators while the jack-knife variance estimator is the best on this criterion.

Journal of Agriculture, Science and Technology Vol.4(1) 2002: 66-74

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eISSN: 1561-7645