Source of variation

Sum of squares

Degrees of freedom

Mean square

Calculated F ratio

F ratio (α = 0.05)

Remark

Problem size (A)

3585.035

5

717.007

527.59897

2.32

Significant

Algorithm (B)

139.29

5

27.857

6.3746

2.32

Significant

Problem size × algorithm (AB)

109.25

25

4.37

3.216

1.64

Significant

Error

146.750

108

1.359

Total

3980.326

143