A CLASS OF ESTIMATORS FOR ESTIMATING THE VARIANCE OF THE RATIO ESTIMATOR

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概要

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• In this paper we have proposed a class of estimators for the variance of the ratio estimator which includes two standard estimators V_0, V_2 and the estimators V_H and V_3 suggested by Royall and Eberhardt (1975) and Wu (1982) respectively. Under large sample approximation, the bias and mean-squared error of the proposed class of estimators are obtained. Based on this we obtain optimal variance estimator in the class and compare the relative merits with a number of estimators. For illustration an empirical study is provided. Here we confine ourselves to sampling scheme SRSWOR ignoring finite population correction.

著者

• Upadhyaya Lakshmi

  Department Of Applied Mathematics Indian School Of Mines

• Singh Housila

  School of Studies in Statistics, Vikram University

• Singh Sarjinder

  Department of Statistics, St. Cloud State University

• Singh Housila

  School Of Studies In Statistics Vikram University

• Singh Sarjinder

  Department Of Statistics St. Cloud State University

関連論文

• A CLASS OF ESTIMATORS FOR ESTIMATING THE VARIANCE OF THE RATIO ESTIMATOR

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