Improved Estimation of Finite Population Variance Using Dual Supplementary Information under Stratified Random Sampling

Sohaib Ahmad, Sardar Hussain, Javid Shabbir, Erum Zahid, Muhammad Aamir, Ronald Onyango and Tahir Mehmood

Mathematical Problems in Engineering, 2022, vol. 2022, 1-12

Abstract: In this article, we propose an improved estimator for finite population variance based on stratified sampling by using the auxiliary variable as well as the rank of the auxiliary variable. Expressions for the bias and the mean square error of the estimators are derived up to the first order of approximation. Four real data sets are used to measure the performances of estimators. Moreover, a simulation study is also conducted to observe the efficiency of the proposed variance estimator. The theoretical and numerical results show that the proposed estimator under stratified random sampling is more efficient as compared to the existing estimators.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:3813952

DOI: 10.1155/2022/3813952

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