If the variance of the sampling distribution of an estimator is smaller than all other unbiased estimators of the parameter of interest, the estimator is: —— 财会经济>CFA特许金融分析师 > CFA考试（Level Ⅰ） > Study Session 3　Quantitative Methods Application

财会经济>CFA特许金融分析师 > CFA考试（Level Ⅰ） > Study Session 3　Quantitative Methods Application

单选题 编号：2690450

1. If the variance of the sampling distribution of an estimator is smaller than all other unbiased estimators of the parameter of interest, the estimator is: