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  1. 1 Statistics in Transition new series

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  1. 1 Sharma B.

  2. 1 Tailor R.

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  1. 1 2012

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Modified Estimators of Population Variance in Presence of Auxiliary Information

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Tailor R., Sharma B.
Statistics in Transition new series
|
2012
|
vol. 13
|
issue 1
37-46
EN
This paper proposes estimator of population variance using information on known parameters of auxiliary variable. The variances of the proposed estimators are obtained. It has been shown that using modified sampling fraction the proposed estimators are more efficient than the usual unbiased estimator of population variance and usual ratio estimator for population variance under certain given conditions. Empirical study is also carried out to demonstrate the merits of the proposed estimators of population variance over other estimators considered in this paper.
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