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Confidence intervals, achieved confidence and data position according to the cement layer thickness for the immediate tested groups.
| Cement Thickness (µm) | CI for η | Achieved Confidence |
Position |
|---|---|---|---|
| 60 | (6.27; 13.21) | 73.68% | (8; 13) |
| (6.20; 13.37) | 80.53% | Interpolation | |
| (6.04; 13.70) | 88.47% | (7; 14) | |
| 120 | (5.09; 8.65) | 73.68% | (8; 13) |
| (4.98; 9.18) | 80.53% | Interpolation | |
| (4.75; 10.31) | 88.47% | (7; 14) | |
| 180 | (7.68; 11.43) | 73.68% | (8; 13) |
| (7.44; 11.52) | 80.53% | Interpolation | |
| (6.92; 11.71) | 88.47% | (7; 14) |
