Improved ratio-type estimators using maximum and minimum values under simple random sampling scheme

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Hacettepe Journal of Mathematics and Statistics
Volume:44 Issue:4
Improved ratio-type estimators using maximum and minimum values under simple random sampling scheme

Improved ratio-type estimators using maximum and minimum values under simple random sampling scheme

Authors : Mursala KHAN, Saif ULLAH, Abdullah Y ALHOSSAİN, Neelam BASHİR

Pages : 923-931

View : 55 | Download : 8

Publication Date : 2015-08-01

Article Type : Research Paper

Abstract :This paper presents a class of ratio-type estimators for the evaluation of finite population mean under maximum and minimum values by using knowledge of the auxiliary variable. The properties of the proposed estimators in terms of biases and mean square errors are derived up to first order of approximation. Also, the performance of the proposed class of estimators is shown theoretically and these theoretical conditions are, then, verified numerically by taking three natural populations under which the proposed class of estimators performed better than other competing estimators.
Keywords : Study variable, Auxiliary variable, Ratio estimators, Maximum and Minimum values, Simple random sampling, Mean squared error, Efficiency

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