1) SPSS REGRESSION OUTPUT Model Summary Adjusted R Std. Error of Model R R Square Square the Estimate 784 .614 577 45.876 a. Predictors: (Constant), Adv, Price ANOVA Sum of Model Squares df Mean Square F Sig. 1 Regression 70266.292 2 35133.146 16.693 Residual 44197.333 21 2104.635 Total 114463.625 23 a. Dependent Variable; Sales b. Predictors: (Constant), Adv, Price