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All Journal Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam
Nahriati Ersa
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Mathematics

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PENAKSIR UNTUK RASIO POPULASI DENGAN MENGGUNAKAN KOEFISIEN REGRESI DAN DUAL PADA VARIABEL TAMBAHAN Nahriati Ersa; Sigit Sugiarto; Rustam Efendi
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 2, No 1 (2015): Wisuda Februari 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

In this article we discuss three estimators for population ratio using the coefficien regression and dual, which is a review from the article of Onyeka et.al [GlobalJournal of Science Frontier Research, 13(2013):57-65]. The three estimators are biased estimators and their mean square errorsare determined. Furthermore, this mean square errorsare compared to mean square error of each estimator.This comparison shows that thetype-product estimator is more efficient than another estimators.
Co-Authors Rustam Efendi Sigit Sugiarto