A Class Of Separate-Type Estimators For Population Mean In Stratified Sampling Using Known Parameters Under Non-Response

Authors: Manoj K. Chaudhary, Rajesh Singh, Mukesh Kumar, Rakesh K. Shukla, Florentin Smarandache

The objective of the present paper is to propose a family of separate-type estimators of population mean in stratified random sampling in presence of nonresponse based on the family of estimators proposed by Khoshnevisan et al. (2007). Under simple random sampling without replacement (SRSWOR) the expressions of bias and mean square error (MSE) up to the first order of approximation are derived. The comparative study of the family with respect to usual estimator has been discussed. The expressions for optimum sample sizes of the strata in respect to cost of the survey have also been derived. An empirical study is carried out to shoe the properties of the estimators.

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Submission history

[v1] 20 Mar 2010

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