Model Summary Adjusted R Std. Error of the Model R R Square Square Estimate 1268 016 009 21.27491 2 761b 579 561 14.15342 3 923c 852 841 8.51651 a. Predictors: (Constant), Year b. Predictors: (Constant), Year, Red, D. map, R. med, R.t. D.J c. Predictors: (Constant), Year, D. ed. R. mop. Cred, R.fu D.al, D 13 plus, D_10_12, D 7 9, D 4 6 Explanation for this regression table