Research Article
Sodium Metasilicate Cemented Analogue Material and Its Mechanical Properties
Table 8
Orthogonal polynomial regression analysis of variance: compressive strength index.
| | The source of variance | Square and variation | Degree of freedom | Variance estimate | F-value | | Level of significance | Remarks |
| | 1.7856 × 101 | 1 | 1.7856 × 101 | 245.48 | 4 | | , 1-order term | | 1.6055 × 100 | 1 | 1.6055 × 100 | 22.07 | | | , 2-order term | | 4.1944 × 100 | 1 | 4.1944 × 100 | 57.66 | | | , 3-order term | | 4.9177 × 100 | 1 | 4.9177 × 100 | 67.61 | | | , 1-order term | | 2.8070 × 10−1 | 1 | 2.8070 × 10−1 | 3.86 | | | , 2-order term | | 5.7996 × 10−1 | 1 | 5.7996 × 10−1 | 7.97 | | | , 3-order term | | 4.6213 × 101 | 1 | 4.6213 × 101 | 635.31 | | | , 1-order term | | 1.3671 × 10 | 1 | 1.3671 × 10 | 18.79 | | | , 2-order term | | 9.6450 × 10−1 | 1 | 9.6450 × 10−1 | 13.26 | | | , 3-order term | | 1.3744 × 101 | 1 | 1.3744 × 101 | 188.95 | | | , 1-order term | | 3.2584 × 10−1 | 1 | 3.2584 × 10−1 | 4.48 | | | , 2-order term | | 9.5443 × 10−1 | 1 | 9.5443 × 10−1 | 13.12 | | | , 3-order term |
| | Error | 4.8736 × 100 | 67 | 7.2740 × 10−2 | | | | |
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