Influence of Drilling Parameters on the Delamination and Surface Roughness of Insulative-Coated Glass/Carbon-Hybrid Composite

Table 6

ANOVA table for surface roughness.

Source	Degree of freedom	value	value
Model	14	23.38	0.001
Linear	6	46.95	0.001
	2	90.68	0.001
	1	31.07	0.001
	3	23.10	0.001
2-way interactions	8	5.71	0.009
	2	4.03	0.056
	6	6.26	0.008
Error	9	—	—
Total	23	—	—
Standard deviation	0.0351584
-square	97.32%
-square (adjusted)	93.16%
-square (predicted)	80.97%