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Modified regression-type estimator in two-phase sampling using arbitrary probabilities.

Author(s)
Asifa Kamal Department of Statistics, Lahore, College for Women University, Lahore, Pakistan
Muhammad Qaiser Shahbaz Department of Mathematics, COMSATS Institute of Information Technology, Lahore, Pakistan
Muhammad Hanif Department of Mathematics, Lahore University of Management Sciences, Lahore, Pakistan
Abstract
A modified regression-type estimator has been constructed for two-phase sampling using to auxiliary variables w, x and a measure of size z. The estimator has been developed by using probability proportional to a measure of size with replacement at first phase and equal probability sampling without replacement at the second phase. The mean square error of the modified estimator has been derived under arbitrary probabilities of selection. An empirical study has been made of the performance of new estimator with Roy’s estimator (2003).
Publication Details
Page(s) 141-147
DOI DOI not available
Published Journal: Pakistan Journal of Statistics, Volume: 25, Issue: 2, Year: 2009

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