Source Sum of Squares Df Mean Square F-Ratio P-Value
A : WPC 13.225 1 13.225 0.03 0.8794
B : Amplitude 766.325 1 766.325 1.45 0.2734
C : time 16849.4 1 16849.4 31.95 0.0013
AA 651.208 1 651.208 1.23 0.3090
AB 2.53125 1 2.53125 0.00 0.9470
AC 5.88245 1 5.88245 0.01 0.9193
BB 1289.19 1 1289.19 2.44 0.1690
BC 1.7672 1 1.7672 0.00 0.9557
CC 1414.53 1 1414.53 2.68 0.1526
Total error 3164.66 6 527.443    
Total (corr.) 24878.1 15      
R2 = 87.2793 %. R2 (adjusted for df) = 68.1983%.
Table 5: Analysis of variance (ANOVA) for foaming properties.