Improved two phase sampling exponential ratio and product type estimators for population mean of study character in the presence of non response

Kamlesh Kumar and Sayed Mohammed Zeeshan

Communications in Statistics - Theory and Methods, 2019, vol. 48, issue 9, 2305-2319

Abstract: Improved two phase sampling exponential ratio and product type estimators for population mean using known coefficient of variation of study character in the presence of non response have been proposed and their properties are studied under large sample approximation. The proposed estimators are compared with the other existing estimators by using the MSE criterion and the conditions under which the proposed estimators perform better are obtained. An empirical study is also given to judge the performance of the proposed estimators. At the end, simulation studies have been carried out to verify the superiority to the proposed estimators.

Date: 2019
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DOI: 10.1080/03610926.2018.1465082

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