Sum of Mean df F Squares Square F(a=0.01) Sig. Between 392.946 Groups 2 000 Within 4.82 11847.345 628 Groups Total 12240.290 630 It is the computed F-value. O 0.000 O 4.82 O 10.42 O 12.04 O 17.78 O 18.87 O 196.47