用辅助变量分层和将其用于比估计抽样效果的比较  

Comparison of Stratified Sampling with a Auxiliary Variable and Ratio Estimator with It

作　　者：周恒彤[1] 

机构地区：[1]天津财经学院,天津300222

出　　处：《数理统计与管理》1999年第6期32-37,共6页Journal of Applied Statistics and Management

摘　　要：本文给出用辅助变量构造比估计量的抽样效果优于用它分层的条件。This paper is concerned with what it is fine to use an auxiliary variable makes ratio estimators in sample survey than stratifies sampling with the auxiliary variable.Some sufficient conditions are given.

关 键 词：抽样调查 辅助变量 比率估计量 分层抽样 抽样 

分 类 号：O212.2[理学—概率论与数理统计]