试题与答案

收集了n组数据(xi,yi),i=1,2,…,n,在一元线性回归中求得F比,则当__

题型:单项选择题

题目:

收集了n组数据(xi,yi),i=1,2,…,n,在一元线性回归中求得F比,则当______时在显著性α上认为回归方程是有意义的。

A.F>F1-α(1,n)

B.F>F1-α(1,n-1)

C.F>F1-α(1,n-2)

D.F<F1-α(1,n-2)

答案:

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