Summary Measures (Monthly Advertisting Expenditures and Disposible Income) Multiple R 0.9608 0 R-square 0.9232 1Adj R-square 0.9130 0 Standard Error of Estimate 3643.11 Summary Measures (Monthly Advertisting Expenditures, Disposible Income and Average Price) Multiple R 0.9723 O R-square 0.9454 0 Adj R-square 0.9337 [ Standard Error of Estimate 3179.03 Regression Coefficients 0 Constant Coefficient -73971.53 Std Error 23803.23 t- value -3.1076 p-value 0.0077 [ Monthly Advertisting Expenditures Coefficient 0.952 Std Error 0.375. t- value 2.5387 p-value 0.0236 0 Disposible Income Coefficient 2.606 Std Error 0.977 t- value 2.6659 p-value 0.0184 0 Average Price Coefficient -2056 27 Std Error 861.342 t- value -2.3873 p-value 0.0316 O The standard error has increased overall. All of the variables are now significant in the final model. Adjusted R2 went down overall. The gap between R2 and Adjusted R2 increased significantly suggesting overfitting