不定项选择
Suppose random variable has a continuous cdf which is strictly monotonically increasing. Let , then follows a uniform distribution on [0,1].
单项选择题 缩小置信区间的方法不包括( )。 A. 增大样本容量n B. 提高模型的拟合优度 C. 提高样本观测值的分散度 D. 提高模型的显著性水平
单项选择题 （）是上课中的主体环节。
单项选择题 According to Saussure, ______ is a product of social function of language. A、langue B、parole C、competence D、performance
has a continuous cdf 
which is strictly monotonically increasing. Let 
, then 
follows a uniform distribution on [0,1].