Simple linear regression model Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 1 114.11434 114.11434 11.26 0.0047 Error 14 141.90316 10.13594 Corrected Total 15 256.01750 Parameter Estimates Parameter Standard P value for Variable Estimate Error t Value Pr > |t| Type I SS Type II SS Type I 55 Intercept -7.50304 1.76625 -4.25 0.0008 2.33 _ X 1.43472 0.42759 3.36 0.0047 2.98 _ Quadratic regression model Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr ) F Model 2 209.01170 104.50585 28.90 (.0001 Error 13 47.00580 3.61583 Corrected Total 15 256.01750 P value for Type ll 55