In a multiple regression model, the f-ratio is used to test the
UGC NET - 2012,
Answer: D
The f-ratio in a multiple regression model tests the overall goodness of fit of the model. It is the ratio of the mean square explained by the regression to the residual mean square, and it asks whether all the slope coefficients together could be zero. A large f-ratio means the predictors as a group explain a significant part of the variation. It does not test the variance of the data or the standard error of the mean, and R-squared is the measure of fit itself, while the f-ratio is the significance test built on it.
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