Test for Significance Testing for Overall Significance: F test Test whether the multiple regression model as a whole is useful to explain y, i. e, at least one X variable in the regression model is useful to explain Y ypothesis Ho: all slope coefficients are equal to zero e.A1=B2=…=Bp=0) H a: not all Slope coefficients are equal to zero Slide 9Slide 9 Test for Significance • Testing for Overall Significance: F test – Test whether the multiple regression model as a whole is useful to explain Y, i.e., at least one X– variable in the regression model is useful to explain Y. – Hypothesis H0 : all slope coefficients are equal to zero (i.e. β1 = β2 =…= βp =0) Ha : not all slope coefficients are equal to zero