Table 6.

ANOVA table for bottom kerf width.

Source	Sum of Squares	Degree of Freedom	Mean Square	F-Value	p-Value
Model	12,718.65	5	2543.73	22.69	<0.0001
S	564.87	1	564.87	5.04	0.0463
FPP	1411.01	1	1411.01	12.59	0.0046
S× FPP	2768.24	1	2768.24	24.69	0.0004
S2	1531.34	1	1531.34	13.66	0.0035
FPP2	4344.45	1	4344.45	38.75	0.0001
Residual	1233.26	11	112.11
Lack of fit	1138.58	9	126.51	2.67	0.3019 not
Pure error	94.68	2	47.34
Total	13,951.91	16
R-Squared = 91.16%			R-Squared (Adj) = 87.14%