The distribution below gives the marks of 100 students of a class.
Marks |
0-5 |
5-10 |
10-15 |
15-20 |
20-25 |
25-30 |
30-35 |
35-40 |
number of students |
4 |
6 |
10 |
10 |
25 |
22 |
18 |
5 |
Draw a less than type and a more than type ogive from the given data' Hence, obtain the median marks from the graph.