NO.PZ201512020300000104
问题如下:
4. Where did the F-value in the ANOVA table come from?
选项:
A.You look up the F-value in a table. The F depends on the numerator and denominator degrees of freedom.
B.Divide the “Mean Square” for the regression by the “Mean Square” of the residuals.
C.The F-value is equal to the reciprocal of the t-value for the slope coefficient.
解释:
B is correct.
This answer describes the calculation of the F-statistic.
B选项中的除数和被除数写反了吧?应该是Divide the “Mean Square” for the residuals by the “Mean Square” of the regression.吧