[Retracted] Influence of Metallic Particles on Properties of Aluminium Composites through Taguchi Technique

Table 9

Analysis of variance for coefficient of friction, employing adjusted SS for tests.

Source	DoF	ss	Adjusted sum of squares	Adjusted mean of squares	F-ratio	value	Percentage of contribution
A	2	0.057835	0.057835	0.023410	98.16	0.001	73.2201
B	2	0.004522	0.004522	0.002714	2.48	0.283	0.38946
C	2	0.020415	0.020415	0.010327	15.61	0.006	9.64725
D	2	0.000983	0.000983	0.000471	0.22	0.838	−0.91842
A × B	4	0.010391	0.010391	0.005829	4.35	0.089	3.361241
B × C	4	0.004297	0.004297	0.002256	0.86	0.598	2.10426
A × C	4	0.003426	0.003426	0.001788	0.39	0.802	2.14856
Error	6	0.008436	0.008436	0.002125			10.04876
Total	26	0.339967	0.339967				100