Table 3 ANOVA for dependent variable: Fe content in biomass.
Source of variation | Sum of square | df | Mean of square | F value | P > F |
|---|---|---|---|---|---|
Model | 18,317.44 | 7 | 2616.78 | 8.42 | 0.0016 |
X1 | 280.56 | 1 | 280.56 | 0.90 | 0.3645 |
X2 | 501.76 | 1 | 501.76 | 1.61 | 0.2327 |
X3 | 1380.12 | 1 | 1380.12 | 4.44 | 0.0614 |
X4 | 1958.06 | 1 | 1958.06 | 6.30 | 0.0309 |
X5 | 10,070.12 | 1 | 10,070.12 | 32.39 | 0.0002 |
X1 X2 | 1870.56 | 1 | 1870.56 | 6.02 | 0.0341 |
X3 X4 | 2256.25 | 1 | 2256.25 | 7.26 | 0.0225 |
Curvature | 472.44 | 1 | 472.44 | 1.52 | 0.2459 |
Residual | 3108.97 | 10 | 310.90 | ||
Lack of Fit | 3108.83 | 8 | 388.60 | 5551.48 | 0.0002 |
Pure Error | 0.14 | 2 | 0.070 | ||
Cor Total | 21,898.85 | 18 |