Verification parameters | n | Mean ± SD (°) | Std. Error | t-test | df | aP-value | 95% Confidence Interval of the Difference | |
---|---|---|---|---|---|---|---|---|
Lower Bound | Upper Bound | |||||||
Accuracy error of bubble level | 3 | 0.316 ± 0.028 | 0.016 | 19.00 | 2 | 0.003** | 0.245 | 0.388 |
Accuracy error of angle between bite plate and protractor | 3 | 0.100 ± 0.050 | 0.028 | 3.46 | 2 | 0.074 | −0.024 | 0.224 |