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y的分组 | [﹣0.20,0) | [0,0.20) | [0.20,0.40) | [0.40,0.60) | [0.60,0.80) |
企业数 | 2 | 24 | 53 | 14 | 7 |
旧设备 | 9.8 | 10.3 | 10.0 | 10.2 | 9.9 | 9.8 | 10.0 | 10.1 | 10.2 | 9.7 |
新设备 | 10.1 | 10.4 | 10.1 | 10.0 | 10.1 | 10.3 | 10.6 | 10.5 | 10.4 | 10.5 |
旧设备 | 9.8 | 10.3 | 10.0 | 10.2 | 9.9 | 9.8 | 10.0 | 10.1 | 10.2 | 9.7 |
新设备 | 10.1 | 10.4 | 10.1 | 10.0 | 10.1 | 10.3 | 10.6 | 10.5 | 10.4 | 10.5 |
甲 | 80 | 110 | 120 | 140 | 150 |
乙 | 100 | 120 | x | 100 | 160 |
dygzsxyn
2021-11-14
高中数学 | 高二上 | 解答题