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)

697,352.302

1

697,352.302

146.138

4.12

Significant

Problem Size (A)

1,313,751.984

5

262,750.397

55.062

2.47

Significant

Problem Size × Algorithm (A × B)

105,970.302

5

21,194.060

4.441

2.47

Significant

Error

171,787.094

36

4771.864

Total

2,288,861.682

47