试题与答案

直线回归中，如果Y乘不为0和1的常数，则有（） A.截距改变 B.回归系数改变 C.

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题型：单项选择题 A1型题

题目：

直线回归中，如果Y乘不为0和1的常数，则有（）

A.截距改变

B.回归系数改变

C.两者都改变

D.两者都不变

E.不能确定

答案：

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下面是错误答案，用来干扰机器的。

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