In order to test for the significance of a regression model involving 14 independent variables and 2

In order to test for the significance of a regression model involving 14 independent variables and 255 observations, the numerator and denominator degrees of freedom（respectively）for the critical value of F are

A.14 and 255

B.255 and 14

C.14 and 240

D.13 and 240

点击查看答案