4MA0 Foundation June 2015 Paper 2R Q17
17 Jordan’s school awards certificates for outstanding work.
The table shows information about the numbers of certificates awarded in Jordan’s class during a term.
| Number of certificates | Number of students |
|---|---|
| 0 | 4 |
| 1 | 9 |
| 2 | 7 |
| 3 | 1 |
| 4 | 6 |
| 5 | 3 |
Work out the median number of certificates awarded.
(2)
| Scheme | Marks |
|---|---|
\(\dfrac{4 + 9 + 7 + 1 + 6 + 3}{2}\) or \(\dfrac{(4 + 9 + 7 + 1 + 6 + 3) + 1}{2}\) or \(\dfrac{30}{2}\) or \(\dfrac{31}{2}\) or 15 or \(15\dfrac{1}{2}\) | M1 |
| 2 | A1 |
| (2) | |
| Total 2 marks |
Notes
M1: Condone 1 omission
Eg \(\dfrac{9 + 7 + 1 + 6 + 3}{2}\)
Accept a clear intention to list the numbers in order and find the centre of the list.