In this article we have envisaged an efficient generalized class of estimators for finite
population variance of the study variable in simple random sampling using information on …

In this study, we have considered stratified two-phase sampling scheme for estimating the
population mean of study variable taking auxiliary information. The proposed chain …

This paper contributes to the existing literature on variance estimators by utilizing
supplementary information. The variance estimation problem of a finite population is a …

In this article, we propose a new improved ratio-product type exponential estimator to
estimate the finite population variance S y 2. Expressions for bias and mean squared error of …

It is a general practice to use robust estimates to improve ratio estimators using functions of
the parameters of an auxiliary variable. In this study, a new class of robust estimators based …

We propose a two parameter ratio-product-ratio estimator for estimating a finite population
variance based on simple random sampling without replacement. The bias and mean …

In this article, we suggest a general procedure for estimating the population variance
through a class of estimators. The bias and mean square error (MSE) of the proposed class …

The problem of estimating the variance of a finite population is an important issue in
practical situations where controlling variability is difficult. During experiments conducted in …

In this study, we develop some new estimators for estimating the population variance by
utilizing the information on midrange and inter decile range of an auxiliary variable. A …

This article addresses the problem of estimating of finite population variance using auxiliary
information in simple random sampling. A ratio-cum-difference type class of estimators for …