Improved exponential estimator for population variance using two auxiliary variables

Authors

  • Rajesh Singh Banaras Hindu University - Department of Statistics
  • Pankaj Chauhan D.A.V.V. Indore (M.P.) - School of Statistics
  • Nirmala Sawan D.A.V.V. Indore (M.P.) - School of Statistics
  • Florentin Smarandache University of New Mexico - Department of Mathematics

Keywords:

auxiliary information, exponential estimator, mean squared error

Abstract

In this paper, exponential ratio and exponential product type estimators using two auxiliary variables are proposed for estimating unknown population variance S2y. Problem is extended to the case of two-phase sampling.  Theoretical results are supported by an empirical study.

Cover of n°28 Italian Journal of Pure and Applied Mathematics

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Published

2011-07-19

How to Cite

Singh, R., Chauhan, P., Sawan, N., & Smarandache, F. (2011). Improved exponential estimator for population variance using two auxiliary variables. Italian Journal of Pure and Applied Mathematics, 28, 101–109. Retrieved from https://journals.uniurb.it/index.php/ijpam/article/view/6008

Issue

N°28 - July 2011

Section

Articoli - Forum Editrice

License

Copyright (c) 2011 Rajesh Singh, Pankaj Chauhan, Nirmala Sawan, Florentin Smarandache

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

L'opera è pubblicata sotto  Licenza Creative Commons Attribuzione 4.0 Internazionale (CC-BY)

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