Improved Exponential Estimator for Population Variance Using Two Auxiliary Variables
General Mathematics
2009-02-03 v1
Abstract
In this paper exponential ratio and exponential product type estimators using two auxiliary variables are proposed for estimating unknown population variance . Problem is extended to the case of two-phase sampling. Theoretical results are supported by an empirical study.
Cite
@article{arxiv.0902.0126,
title = {Improved Exponential Estimator for Population Variance Using Two Auxiliary Variables},
author = {Rajesh Singh and Pankaj Chauhan and Nirmala Sawan and Florentin Smarandache},
journal= {arXiv preprint arXiv:0902.0126},
year = {2009}
}
Comments
8 pages