Log-Product-Type Estimator for Estimation of Population Variance Using Auxiliary Information
Keywords:
Auxiliary variable, variance, SRSWOR, mean square error, biasAbstract
This paper proposed a log product type estimator for estimating population variance under simple random sampling without replacement (SRSWOR) using auxiliary information. We have calculated the mean square error (MSE) and bias expressions up to the first order of approximation. To substantiate the result, an empirical study has been performed using three real population data sets. The properties of the estimators also verified through simulation study. The result shows that the performance of the proposed estimator is better than the existing estimators
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