A cumulative frequency distribution is given below
|
Class |
60-62 |
63-65 |
66-68 |
69-71 |
72-74 |
|
Cumulative frequency |
3 |
20 |
36 |
48 |
50 |
Which one of the following class has maximum frequency?
1
63-65
2
66-68
3
72-74
4
69-71