Table 3 Absolute (in mm) and relative (as percentage, deviating from 100%) errors, including the median and interquartile ranges (IQR) per measured direction, and the total error taking every measurement into account
Case | Error shortest (mm)/percentage | Error other (mm)/percentage | Error longest (mm)/percentage | Â | |||
|---|---|---|---|---|---|---|---|
1 | 10 | 138% | -1 | 98% | -1 | 98% | Â |
2 | 1 | 102% | -10 | 81% | -9 | 86% | Â |
3 | 8 | 129% | -3 | 92% | 0 | 100% | Â |
4 | -1 | 98% | -2 | 95% | 0 | 100% | Â |
5 | -1 | 98% | -6 | 88% | -6 | 88% | Â |
6 | 8 | 122% | 4 | 112% | -5 | 89% | Â |
7 | 3 | 113% | -1 | 97% | 7 | 123% | Â |
Error interquartile ranges (IQR) | Total error | ||||||
IQR1 (mm) | 0 |  | -4.5 |  | -5.5 |  | −3 |
Median (mm) | 3 | Â | -2 | Â | -1 | Â | -1 |
IQR3 (mm) | 8 | Â | -1 | Â | 0 | Â | 3 |