問題詳情

7. Which of the following is incorrect for the linear regression model y= β0 + β1x+ε and its predictiveequation

, if the sample observations are not specified?
(A)b0 and b1 are random variables;
(B)β0 and  β1 are random variables;
(C) yand ε are random variables;
(D)

is a random variable.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增