Table 5.

Analysis of variance for surface response.

Source of Variation	Sum of Squares	df	Mean of Square	F Value	p Value Prob > F
Regression	61.34	7	8.76	78.84	<0.0001 *
Residual	0.78	7	0.11
Cor Total	62.12	14

* Statistically significant at 95% of confidence level. Std. Dev. = 0.333, R² = 0.987.