“方差”用英语怎么说

在统计学中这个估计值叫组间方差.In statistical language , this estimate is called the between - column variance.方差的正的平方根叫做标准差.The positive square root of the variance is called the standard deviation.仅仅加性遗传方差是由种子遗传的.Only the additive ge...

“方差”的拼音为：fāng chā...