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A Two Parameter Ratio-Product-Ratio Estimator for Population Mean Using Auxiliary Information In Systematic Sampling

Surya K. Pal, Housila P. Singh, Anita Yadav


We consider a ratio-product-ratio estimator for finite population mean in systematic sampling. The properties of the recommended estimators are obtained. Inequalities are derived under which propounded estimator is superior to systematic sample mean, ratio and product estimators. Numerical study is performed to demonstrate that the recommended estimator out performs the conventional estimators.


Systematic sampling, Bias, MSE, Efficiency, Empirical study

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