JAMB - Mathematics (1981 - No. 12)
The weights of 30 new-born babies are given as follow: 6, 9, 5, 7, 6, 7, 5, 8, 9, 5, 7, 5, 8, 7, 8, 7, 5, 6, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is
6
5
8
7
10
Explication
| x | 5 | 6 | 7 | 8 | 9 |
| f | 6 | 4 | 8 | 7 | 5 |
Mode is the No having the highest frequency = 7