Find the mode of the following marks (out of 20) obtained by 15 students:
5, 7, 6, 6, 7, 5, 12, 6, 8, 10, 9, 8, 15, 18, 61
8
2
7
3
5
4
6
Find the mode of the following marks (out of 20) obtained by 15 students:
5, 7, 6, 6, 7, 5, 12, 6, 8, 10, 9, 8, 15, 18, 6