时间(分) | 频率 | 百分比 | 有效百分比 | 累积百分比 |
0 | 1 | 3.8 | 3.8 | 3.8 |
1 | 2 | 7.7 | 7.7 | 11.5 |
2 | 1 | 3.8 | 3.8 | 15.4 |
3 | 1 | 3.8 | 3.8 | 19.2 |
4 | 6 | 23.1 | 23.1 | 42.3 |
5 | 1 | 3.8 | 3.8 | 46.2 |
6 | 5 | 19.2 | 19.2 | 65.4 |
8 | 3 | 11.5 | 11.5 | 76.9 |
9 | 1 | 3.8 | 3.8 | 80.8 |