A RATIO-CUM-PRODUCT ESTIMATOR OF POPULATION MEAN IN STRATIFIED RANDOM SAMPLING USING TWO AUXILIARY VARIABLES

被引:0
作者
Tailor, R. [1 ,3 ]
Chouhan, S. [2 ]
Tailor, R. [1 ,3 ]
Garg, N. [4 ]
机构
[1] Vikram Univ Ujjain, Sch Studies Stat, Ujjain, Madhya Pradesh, India
[2] Shri Vaishnav Inst Management, Dept Stat, Indore, Madhya Pradesh, India
[3] Inst Wood Sci & Technol, Wood Properties & Uses Div, Bangalore, Karnataka, India
[4] IGNOU, Sch Sci, New Delhi, India
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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
This paper proposes a ratio-cum-product estimator of finite population mean in stratified random sampling using information on population means of two auxiliary variables. The bias and mean squared error expressions are derived under large sample approximations. Proposed estimator has been compared with usual unbiased estimator in stratified sampling, combined ratio estimator and combined product estimator theoretically as well as empirically.
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页码:287 / 297
页数:11
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