4400 Higher June 2009 Paper 4 Q4
4 The table gives information about the shoe sizes of 67 people.
| Shoe size | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|
| Number of people | 20 | 19 | 0 | 26 | 2 |
Find the median shoe size.
(2)
| Scheme | Marks |
|---|---|
| \(67 \div 2\) or \((67 + 1) \div 2\) oe | M1 |
| 7 | A1 |
| (2) | |
| (2 marks) |
Notes
M1: attempt to find middle of cumulative frequency or listing of people.
A1: cao
look for mean (7.56..) rounded down (M0 A0)