组号
|
分组区间
|
频数/处
|
频率(%)
|
1
|
25.15~26.95
|
2
|
0.05
|
2
|
26.95~28.75
|
4
|
0.10
|
3
|
28.75~30.55
|
8
|
0.20
|
4
|
30.55~32.35
|
11
|
0.275
|
5
|
32.35~34.15
|
7
|
0.175
|
6
|
34.15~35.95
|
5
|
0.125
|
7
|
35.95~37.75
|
3
|
0.075
|