估计总体方差时样本容量的选取  

Selection of the Sample Quantity in Estimating Population Variance

作　　者：刘明松[1] 

机构地区：[1]扬州大学商学院

出　　处：《数理统计与管理》1993年第6期42-45,共4页Journal of Applied Statistics and Management

摘　　要：通过样本方差对总体方差估计时产生的误差分析，得出估计总体方差时样本容量的选取方法。To make use of the error analysis which appears when the population variance is estimated by the sample variance. to obtain the method of selecting the sample quantity when the population variance is estimated

关 键 词：总体方差 样本方差 样本容量 估计 

分 类 号：O211.67[理学—概率论与数理统计]