Research Article
Sodium Metasilicate Cemented Analogue Material and Its Mechanical Properties
Table 10
Orthogonal polynomial regression analysis of variance: tensile strength index.
| | The source of variance | Square and variation | Degree of freedom | Variance estimate | F-value | | Level of significance | Remarks |
| | 7.0194 × 10−1 | 1 | 7.0194 × 10−1 | 438.56 | 4 | | , 1-order term | | 1.5725 × 10−2 | 1 | 1.5725 × 10−2 | 9.82 | | | , 2-order term | | 2.1558 × 10−1 | 1 | 2.1558 × 10−1 | 134.69 | | | , 3-order term | | 8.7854 × 10−2 | 1 | 8.7854 × 10−2 | 54.89 | | | , 1-order term | | 1.1162 × 10−2 | 1 | 1.1162 × 10−2 | 6.97 | | | , 2-order term | | 1.1177 × 10−1 | 1 | 1.1177 × 10−1 | 69.83 | | | , 3-order term | | 2.5528 × 100 | 1 | 2.5528 × 100 | 1594.97 | | | , 1-order term | | 5.3361 × 10−2 | 1 | 5.3361 × 10−2 | 33.34 | | | , 2-order term | | 6.3135 × 10−2 | 1 | 6.3135 × 10−2 | 39.45 | | | , 3-order term | | 4.3616 × 10−1 | 1 | 4.3616 × 10−1 | 272.50 | | | , 1-order term | | 1.7851 × 10−5 | 1 | 1.7851 × 10−5 | 0.01 | | | , 2-order term | | 1.1284 × 10−1 | 1 | 1.1284 × 10−1 | 70.50 | | | , 3-order term |
| | Error | 8.1629 × 10−2 | 51 | 1.6006 × 10−3 | | | | |
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