The test statistic used to test the overall significance of a multiple regression model, the null hypothesis that each one the -coefficients of the x-variables in the model is equal to zero, is tested against the alternative hypothesis that at least one the -coefficients of the x-variables in the model is ≠ zero, is the A) χ2 statistic
B) t statistic
C) F value from the F-distribution tables
D) F value calculated as mean square regression divided by mean square error