1 2.5 points Predictor Variables Coefficient Std Error P VIF Constant 158.325 263.245 1.17 0.154 0.0 PROTEIN 2.644 2.987 0.65 0.000 11.9 EXERCISE 32.452 33.674 6.72 0.000 19.4 PROEX 1,32 0.19 5.26 0.070 26.3 R2 0.892 Mean Square Error (MSE) 6835.09 Adjusted R2 0.886 Standard Deviation 72.56 AICC 235.89 PRESS 546328 Source DF SS MS F P Regression 3 3923765 1675347 162.8 0.02 Residual 28 237589 6586.85 Total 31 4023898 -Cases Included 40 Missing Cases-0 Using the above Statistix Printout, what is the y-intercept? O 263.245 162.800 OOO 158.325 The y-intercept was not calculated in this analysis