Ratio- and difference-type estimators for estimating finite population variance

被引：1
|
作者：
Mostofi, Amin Ghalamfarsa [1 ]
Kharrati-Kopaei, Mahmood [1 ]
机构：
[1] Shiraz Univ, Dept Stat, Shiraz, Iran
来源：
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS | 2017年 / 46卷 / 07期
关键词：
Bias; finite population variance; mean-squared error; ratio- and ifference-type estimators; study and auxiliary characters; AUXILIARY INFORMATION;
D O I：
10.1080/03610926.2015.1066813
中图分类号：
O21 [概率论与数理统计]; C8 [统计学];
学科分类号：
020208 ; 070103 ; 0714 ;
摘要：
We consider the problem of estimating finite population variance of a study character when information on an auxiliary character is available. We define ratio- and difference-type estimators and obtain the mean-squared error of them approximately. Using a numerical study, we compare the performances of the proposed estimators with some existing variance estimators.
引用
收藏
页码：3542 / 3555
页数：14
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