测量次数 | 系统测量值/10−3 mm | 绝对误差/10−3 mm | 相对误差/% |
1 | 132.44 | 0.34 | 0.002574 |
2 | 133.16 | 1.06 | 0.008024 |
3 | 132.00 | 0.1 | 0.000757 |
4 | 131.84 | 0.26 | 0.001968 |
5 | 131.58 | 0.52 | 0.003936 |
6 | 132.94 | 0.84 | 0.006359 |
7 | 132.52 | 0.42 | 0.003179 |
8 | 131.74 | 0.36 | 0.002725 |
9 | 131.94 | 0.16 | 0.001211 |
10 | 132.66 | 0.56 | 0.004239 |
平均值 | 132.282 |
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标准差σ | 0.538 |
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