多阶段抽样比率估计  

Ratio estimation of multi phase sampling

作　　者：叶阿忠[1] 

机构地区：[1]福州大学管理学院

出　　处：《统计研究》2001年第3期48-50,共3页Statistical Research

摘　　要：The author discussed the problem of multi phase ratio estimation, put forward an approximate formula and asymptotic unbiased estimate for the mean square sample deviation of ratio estimate.The author discussed the problem of multi phase ratio estimation, put forward an approximate formula and asymptotic unbiased estimate for the mean square sample deviation of ratio estimate.

关 键 词：多阶段抽样 比率估计 抽样均方误差 抽样理论 

分 类 号：O212.2[理学—概率论与数理统计] F224.7[理学—数学]