Komal Javed

Improved Estimator of Finite Population Variance Using Coefficient of Quartile Deviation

Komal Javed, Nasir Jamal, Muhammad Hanif, Muhammad Ali, Usman Shahzad & Amelia Victoria Garcia Luengo · Asian Journal of Advanced Research and Reports · 2018

This study introduces a new, better, class of ratio estimators for the estimation of population variance of the study variable by using the coefficient of quartile deviation of auxiliary variable. Bias and mean square error of the proposed class of estimators are also derived. Th...