KOMBINASI PENAKSIR RASIO DAN PENAKSIR REGRESI UNTUK RATA-RATA POPULASI MENGGUNAKAN MEDIAN DAN KOEFISIEN SKEWNESS PADA SAMPLING ACAK SEDERHANA

Abstract

In this artikel the combination of ratio estimators and ratio regression in simple random sampling using median and coefficient of skewness are discussed, which is a review and an expansion from the article J. Subramani & G. Kumarapandiyan [American Journal of Matematics and Statistics, 2(5): 101-107]. The estimators are biased estimators and the mean square errors are determined. Estimator with the smallest mean square error is the most efficient estimator. A numerical example is given at the end of discusssion.