利用相关的经济学原理及我们所积累的丰富的经验,对所估计的回归方程的回归系数进行分析与判断,看其是否能得到合理的解释,这种检验方法称为()
A.经济意义检验
B.拟合程度分析
C.t检验
D.F检验
正确答案是A
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…and its whole staff was out in the cold without so much as