Estimation of rare and clustered population variance in adaptive cluster sampling

Muhammad Nouman Qureshi, Sadia Khalil, Chang-Tai Chao and Muhammad Hanif

Communications in Statistics - Theory and Methods, 2019, vol. 48, issue 21, 5387-5400

Abstract: Many researchers used auxiliary information together with survey variable to improve the efficiency of population parameters like mean, variance, total and proportion. Ratio and regression estimation are the most commonly used methods that utilized auxiliary information in different ways to get the maximum benefits in the form of high precision of the estimators. Thompson first introduced the concept of Adaptive cluster sampling, which is an appropriate technique for collecting the samples from rare and clustered populations. In this article, a generalized exponential type estimator is proposed and its properties have been studied for the estimation of rare and highly clustered population variance using single auxiliary information. A numerical study is carried out on a real and artificial population to judge the performance of the proposed estimator over the competing estimators. It is shown that the proposed generalized exponential type estimator is more efficient than the adaptive and non adaptive estimators under conventional sampling design.

Date: 2019
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DOI: 10.1080/03610926.2018.1513144

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