Solve this:
Q.21. The following table shows the gain in weight by 50 children in a year. Calculate modal gain in weight.
Gain in weight (in kg) |
1- 3 |
3- 5 |
5- 7 |
7- 9 |
9- 11 |
11- 13 |
No. of children | 4 | 6 | 10 | 18 | 7 | 5 |