Journal
JOURNAL OF APPLIED STATISTICS
Volume 37, Issue 6, Pages 999-1013Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/02664760903002675
Keywords
ratio estimator; auxiliary information; mean square error; efficiency; stratified random sampling
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Gupta and Shabbir 2 have suggested an alternative form of ratio-type estimators for estimating the population mean. In this paper, we obtained a corrected version for the mean square error (MSE) of the Gupta-Shabbir estimator, up to first order of approximation, and the optimum case is discussed. We expand this estimator to the stratified random sampling and propose general classes for combined and separate estimators. Also an empirical study is carried out to show the properties of the proposed estimators.
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