highly significantp < 0.0001
The quadratic ANOVA model for 56-day compressive strength was highly significant (F = 105.49, p < 0.0001), supported by excellent fit statistics (R2 = 0.93, Adjusted R2 = 0.93, Predicted R2 = 0.91).
The quadratic ANOVA model for 56-day compressive strength was highly significant (F = 105.49, p < 0.0001), supported by excellent fit statistics (R2 = 0.93, Adjusted R2 = 0.93, Predicted R2 = 0.91).