Source Sum of Squares DF Mean square F-value Prob>F
Model 0.063 5 0.013 38.55 < 0.0001*
A 4.167E-004 1 4.167E-004 1.78 0.1956
B 6.667E-003 1 6.667E-003 28.42 < 0.0001
C 1.500E-004 1 1.500E-004 0.64 0.4321
D 0.042 1 0.042 177.64 < 0.0001
B2 2.789E-003 1 2.789E-003 11.89 0.0022
AB 1.600E-003 1 1.600E-003 6.82 0.0156
BD 0.010 1 0.010 42.63 < 0.0001
Residual 5.961E-003 25 2.404E-004    
Lack of Fit 4.219E-003 19 2.220E-004 0.74 0.7112ns
Pure Error 1.743E-003 6 2.905E-004    
Cor Total 0.069 30      
R-Squared 0.92   Pred R-squared 0.86  
Adj R-squared 0.90   Adeq precision 21.4  
*significant at 95% confidence, ns insignificant
Table 4: ANOVA showing the variables as a linear, quadratic and interaction terms on acidity of MSFPY.