Q2 please answer
| Marks | Tally marks | Frequency |
| 1 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 5 |
| 5 |
| 6 |
| 4 |
| 7 |
| 2 |
| 8 |
| 1 |
| 9 |
| 1 |
(i) Highest number = 9
(ii) Lowest number = 1
(iii) Range = (9 − 1) = 8
(iv) Sum of all the observations = 4 + 6 + 7 + 5 + 3 + 5 + 4 + 5 + 2 + 6 + 2
+ 5 + 1 + 9 + 6 + 5 + 8 + 4 + 6 + 7
= 100
Total number of observations = 20
=