Table 5: ANOVA analysis for wear rate.

FactorDofSS -value valuePc

Fly ash content (wt.%)—(A)23952.30217.340.00052.22
Applied load (N)—(B)23092.07170.030.00040.86
Sliding speed (m/s)—(C)2200.0711.00.0052.64
Interaction term “A × B470.151.930.1990.927
Interaction term “A × C46.810.190.9380.089
Interaction term “B × C4173.044.760.0292.286
Error 872.740.96

Total267567.19100

DoF: degrees of Freedom; Seq.SS: sequential sums of squares; Adj.MS: adjusted sums of squares;
Pc: percentage of contribution.