IMPROVEMENT IN ESTIMATING POPULATION MEAN USING TWO AUXILIARY VARIABLES IN TWO-PHASE SAMPLING

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 variables; chain ratio-type estimator; bias; 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：

This study proposes improved chain-ratio type estimator for estimating population mean using some known values of population parameter(s) of the second auxiliary character. The proposed estimators have been compared with two-phase ratio estimator and some other chain type estimators. The performances of the proposed estimators have been supposed with a numerical illustration.

引用

页码：135 / 142

页数：8

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