Comprehension Passage
The sum of frequency and median of the distribution given below is 20 and 14.4, respectively.
| Class Interval | 0 - 6 | 6 - 12 | 12 - 18 | 18 - 24 | 24 - 30 |
| Frequency | 4 | x | 5 | y | 1 |
Mode of frequency distribution is
1
18.62
2
19.45
3
19
4
19.9