June 2024 Paper 3 Q12
12 A random sample of 84 students was asked how many revision websites they had visited in the past month.
The data is summarised in the table below.
| Number of websites | Frequency |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 18 |
| 3 | 16 |
| 4 | 5 |
| 5 | 37 |
| 6 | 2 |
| 7 | 1 |
Find the interquartile range of the number of websites visited by these 84 students.
Circle your answer. [1 mark]
- 3
- 4
- 19
- 42
| Scheme | Marks | AO |
|---|---|---|
| Circles 1st answer | B1 | 1.1b |
| (1 mark) |
Typical solution
3