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 



