ESTIMATING POPULATION COEFFICIENT OF VARIATION USING A SINGLE AUXILIARY VARIABLE IN SIMPLE RANDOM SAMPLING

Singh Rajesh and Mishra Madhulika ()
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Singh Rajesh: Department of Statistics, Banaras Hindu University, Varanasi, - 221005, India .
Mishra Madhulika: Department of Statistics, Banaras Hindu University, Varanasi, - 221005, India .

Statistics in Transition New Series, 2019, vol. 20, issue 4, 89-111

Abstract: This paper proposes an improved estimation method for the population coefficient of variation, which uses information on a single auxiliary variable. The authors derived the expressions for the mean squared error of the proposed estimators up to the first order of approximation. It was demonstrated that the estimators proposed by the authors are more efficient than the existing ones. The results of the study were validated by both empirical and simulation studies.

Keywords: coefficient of variation; simple random sampling; auxiliary variable; mean square error. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:stintr:v:20:y:2019:i:4:p:89-111:n:5

DOI: 10.21307/stattrans-2019-036

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