| 项目 | 自动驾驶车辆 | 传统车辆 | Z检验 | ||||
|---|---|---|---|---|---|---|---|
| 数量 | 占比% | 数量 | 占比% | |Z| | P值 | ||
| 事故前场景 | 1 | 76 | 35.19 | 206 | 11.50 | 9.46 | <0.05* |
| 2 | 20 | 9.26 | 36 | 2.01 | 6.11 | <0.05* | |
| 3 | 19 | 8.80 | 38 | 2.12 | 5.58 | <0.05* | |
| 4 | 18 | 8.33 | 12 | 0.67 | 8.77 | <0.05* | |
| 5 | 14 | 6.48 | 85 | 4.75 | 1.11 | >0.05 | |
| 6 | 12 | 5.56 | 23 | 1.28 | 4.53 | <0.05* | |
| 7 | 7 | 3.24 | 335 | 18.70 | 5.71 | <0.05* | |
| 8 | 6 | 2.78 | 7 | 0.39 | 4.13 | <0.05* | |
| 9 | 6 | 2.78 | 52 | 2.90 | 0.10 | >0.05 | |
| 10 | 5 | 2.31 | 238 | 13.29 | 4.67 | <0.05* | |
| 11 | 4 | 1.85 | 1 | 0.06 | 5.00 | <0.05* | |
| 12 | 4 | 1.85 | 8 | 0.45 | 2.53 | <0.05* | |
| 13 | 4 | 1.85 | 31 | 1.73 | 0.13 | >0.05 | |
| 14 | 3 | 1.39 | 3 | 0.17 | 3.11 | <0.05* | |
| 15 | 3 | 1.39 | 17 | 0.95 | 0.61 | >0.05 | |
| 16 | 3 | 1.39 | 40 | 2.23 | 0.81 | >0.05 | |
| 17 | 2 | 0.93 | 68 | 3.80 | 2.17 | <0.05* | |
| 18 | 2 | 0.93 | 123 | 6.87 | 3.41 | <0.05* | |
| 19 | 2 | 0.93 | 9 | 0.50 | 0.80 | >0.05 | |
| 20 | 1 | 0.46 | 52 | 2.90 | 2.11 | <0.05* | |
| 21 | 1 | 0.46 | 159 | 8.88 | 4.31 | <0.05* | |
| 22 | 1 | 0.46 | 101 | 5.64 | 3.27 | <0.05* | |
| 23 | 1 | 0.46 | 15 | 0.84 | 0.58 | >0.05 | |
| 24 | 1 | 0.46 | 130 | 7.26 | 3.82 | <0.05* | |
| 25 | 1 | 0.46 | 2 | 0.11 | 1.26 | >0.05 | |
| 总计 | 216 | 100.00 | 1 791 | 100.00 | |||
| 卡方检验 | 卡方值为409.024,P值为0.000 | ||||||