4MA0 Higher June 2017 Paper 4 Q12
12 Here are the heights, in millimetres, of 11 seedlings.
16 12 19 17 24 27 19 15 23 27 10
Work out the interquartile range of these heights.
(3)
| Scheme | Marks |
|---|---|
| 10 12 15 16 17 19 19 23 24 27 27 or | M1 |
| 15 and 24 identified | M1 |
| 9 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: Ordered list – allow one error or omission