IMPROVED EXPONENTIAL ESTIMATOR FOR POPULATION VARIANCE USING TWO AUXILIARY VARIABLES

被引：0
|
作者：
Singh, Rajesh [1 ]
Chauhan, Pankaj [2 ]
Smarandache, Florentin [3 ]
机构：
[1] Banaras Hindu Univ, Dept Stat, Varanasi, Uttar Pradesh, India
[2] DAVV, Sch Stat, Indore, Madhya Pradesh, India
[3] Univ New Mexico, Dept Math, Gallup, NM 87131 USA
来源：
ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS | 2011年 / 28期
关键词：
auxiliary information; exponential estimator; mean squared error;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper, exponential ratio and exponential product type estimators using two auxiliary variables are proposed for estimating unknown population variance S-y(2). Problem is extended to the case of two-phase sampling. Theoretical results are supported by an empirical study.
引用
收藏
页码：101 / 108
页数：8
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