Table 4: ANOVA for the response surface quadratic model.

SourceStatistics
Sum of squaresdfMean square -valueProb >

Model17714.5891968.2918.860.0004
1885.6611885.6618.070.0038
345.741345.743.310.1115
5807.4515807.4555.660.0001
14.48114.480.140.7205
1005.9411005.949.640.0172
80.34180.340.770.4093
5322.8515322.8551.010.0002
1172.8511172.8511.240.0122
1318.9011318.9012.640.0093
Residual730.417104.34
Lack of fit76.94325.650.160.9199
Pure error653.474163.37
Cor Total18444.9916