Composition | Hardening | Curing | Measures | Mean | Model | ||
−1 | −1 | 0.5 | 36.76 | 43.25 | 40.13 | 40.05 | 38.24 |
+1 | −1 | 28.18 | 27.65 | 26.76 | 27.50 | 19.70 | |
−1 | +1 | 36.73 | 30.21 | 33.55 | 33.55 | 31.20 | |
+1 | +1 | 20.64 | 20.01 | 18.76 | 19.80 | 19.99 |