Source of Variation

Sum of Squares

Degrees of freedom

Mean sum of squares

Calculated F ratio

F ratio

(α = 0.05)

Significant F

Algorithm (B)

3.521

1

3.521

8.311

4.12

Significant

Problem Size (A)

551.604

5

110.321

260.430

2.47

Significant

Problem Size × Algorithm (A × B)

5.604

5

1.121

2.646

2.47

Significant

Error

15.250

36

0.424

Total

575.979

47