Investigate the Process Parameter on the Friction Stir Welding of Dissimilar Aluminium Alloys

Table 6

The ANOVA table for traverse force.

Source	Sum of squares	DF	Mean square	F value	Prob > F	% contribution
A	20.14	2	10.07	7.35	0.015	6.90
B	50.20	2	25.10	18.31	0.001	17.22
C	94.59	2	47.29	34.50	0.000	32.45
A × B	40.28	4	10.07	7.35	0.009	13.82
A × C	54.56	4	13.64	9.95	0.003	18.72
B × C	20.78	4	5.19	3.79	0.052	7.13
Residual	10.97	8	1.37			3.76
Total	291.51	26