Marks | No of Students |
0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 |
4 9 14 25 18 6 2 1 1 0 |
C.I.
|
fi
|
C.F.
|
0–10
|
4
|
4
|
10–20
|
9
|
13
|
20–30
|
14
|
27
|
30–40
|
25
|
52
|
40–50
|
18
|
70
|
50–60
|
6
|
76
|
60–70
|
2
|
78
|
70–80
|
1
|
79
|
80–90
|
1
|
80
|
90–100
|
0
|
80
|
|
80
|
|