Table 3.

Analysis of variance (ANOVA) for the effect of the sintering temperature and iron content on the MFCs power performance.

ANOVA ANALYSIS
Index	Df	Sum_sq	Mean_sq	F	PR(>F)
C (Fe)	2	317,236	158,618	90.2611	4.14164 × 10−10
C (Tª)	2	3.12142 × 106	1.56071 × 106	888.116	1.0293 × 10−18
C (Fe): C (Tª)	4	141,336	35,334.1	20.1068	1.91128 × 10−6
Residual	18	31,631.9	1757.33	–	–