Potentiodynamic Polarization Behaviour of Electroless Ni-P-W Coatings

Table 8

ANOVA table.

Source	DF	SS	MS	F-ratio	% contribution
A	2	0.00464	0.00232	0.22	0.71
B	2	0.03021	0.01511	1.42	4.61
C	2	0.16078	0.08039	7.58^*	24.51
D	2	0.11706	0.05853	5.52^*	17.85
A∗B	4	0.06039	0.0151	1.42	9.21
A∗C	4	0.19411	0.04853	4.57^*	29.59
B∗C	4	0.0251	0.00627	0.59	3.83
Error	6	0.06367	0.01061		9.71
Total	26	0.65596			100.00

^∗Significant at 95% confidence level (𝐹_2,6,0.05 = 5.14 and 𝐹_4,6,0.05= 4.53).