题目
题型:不详难度:来源:
分组 | 频数 | 频率 |
[12.5,15.5) | 6 | |
[15.5,18.5) | 16 | |
[18.5,21.5) | 18 | |
[21.5,24.5) | 22 | |
[24.5,27.5) | 20 | |
[27.5,30.5) | 10 | |
[30.5,33.5) | 8 | |
合计 | 100 | |
(1)根据每一组对应的频数得到对应的频率为: |
分组 | 频数 | 频率 |
[12.5,15.5) | 6 | |
[15.5,18.5) | 16 | |
[18.5,21.5) | 18 | |
[21.5,24.5) | 22 | |
[24.5,27.5) | 20 | |
[27.5,30.5) | 10 | |
[30.5,33.5) | 8 | |
合计 | 100 | |
(1)根据每一组对应的频数得到对应的频率为: |