a(3)理解未知参数区间估计的概念,掌握求单个正态总体均值和方差的置信区间,两个正态总体均值差和方差比的置信区间的方法。 (3) understanding unknown parameter sector estimate concept, grasping asks the single normal population average value and the variance confidence interval, two normal population average ...
(3)理解未知参数区间估计的概念,掌握求单个正态总体均值和方差的置信区间,两个正态总体均值差和方差比的置信区间的方法。5个回答 (3) understanding of the concept of unknown parameters interval estimation master seeking a single normal population mean and variance of the confidence interval, the two normal...