Foundation January 2019 Paper 1 Q5
5 The table shows information about the number of gold medals won by each of 8 countries at the 2016 Olympics.
| Country | Number of gold medals |
|---|---|
| China | 26 |
| France | 10 |
| Germany | 17 |
| Great Britain and Northern Ireland | 27 |
| Japan | 12 |
| Russia | 19 |
| South Korea | 9 |
| United States | 46 |
(a) Work out the range of the number of gold medals. (1)
(b) Work out the median number of gold medals. (2)
(c) Work out the mean number of gold medals. (2)
| Scheme | Marks |
|---|---|
| 37 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| Eg 9, 10, 12, 17, 19, 26, 27, 46 (may be in descending order) | M1 |
| 18 | A1 |
| (2) |
Notes
M1: for all 8 numbers in order or 17 and 19 identified
| Scheme | Marks |
|---|---|
| \(\dfrac{(26 + 10 + 17 + 27 + 12 + 19 + 9 + 46)}{8}\) | M1 |
| 20.75 | A1 |
| (2) | |
| (5 marks) |
Notes
M1: for a correct method (condone missing brackets)
A1: Accept 21 if correct calculation shown