Table 4: Analysis of variance (ANOVA) for antioxidant activity of the Cambuci extracts from the experimental design (residual error).

Source of
Variation
Sum of
Squares
Degrees of
Freedom
Medium
Square
Fcalc Ftable
First order model
Regression 27.42 3 9.14 10.88 9.28
Residue 2.53 3 0.84
Total 29.95 6 -
Second order model
Regression 21.10 5 4.22 0.79 5.05
Residue 26.75 5 5.35
Total 47.85 10 -