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Consider the following uncertainty budget of a given length measurement process,...
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Consider the following uncertainty budget of a given length measurement process, where the uncertainty values are respectively: , , and .
| calibration | mm | normal () | 1 | |||
| resolution | mm | triangular | 1 | |||
| repeatability | mm | normal | 1 | |||
| temperature | 1.0 | °C | uniform | 1.4 | 0.0021 | 0.003 |
| misalignments | 2.1 | ° | uniform | 15 | 0.0035 | 0.052 |
| Combined uncertainty | ||||||
| Expanded uncertainty (95 %) |
Obtain the expanded uncertainty for a confidence level of 95 % ( as indicated in the table).