Source Sum of Squares df Mean Square F Value Prob > F
Model 5.85 9 0.65 31.72 < 0.001
Pure Error 0.12 5 0.024    
Corrected total 6.06 19      
aCoefficient of variation (CV) = 1.06 %; coefficient of determination (R2) =96.62%; correlation coefficient (R) = 98.30%, and adjusted R2=93.57%.
Table 8: Analysis of variance (ANOVA) for the selected quadratic modela