Ratio-cum-product type exponential estimator
This paper addresses the problem of estimating the population mean of the study variate Y using information on two auxiliary variables X1 and X2 . A ratio-cum-product type exponential estimator has been suggested and its bias and mean squared error have been derived under large sample approximation....
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
University of Bologna
2013-05-01
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Series: | Statistica |
Online Access: | http://rivista-statistica.unibo.it/article/view/3561 |