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An Alternative Estimator for the Population Mean In PPS Sampling
Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 3)Publication Date: 2015-03-05
Authors : Anita; Shashi Bahl;
Page : 2316-2317
Keywords : PPS estimator; Ratio estimator; Difference estimator;
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Abstract
In this paper some composite estimators depending on estimated optimum value of a constant based on sample values under PPS sampling scheme have been proposed. The estimators are better in sense (minimum variance) than PPS estimator, ratio estimator or difference estimator under certain conditions.
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