Foundation June 2019 Paper 1 Q7
7 Here are the shoe sizes of 11 people.
7 8 4 4 4 10 5 7 7 4 4
(a) Write down the mode. (1)
(b) Work out the range. (2)
(c) Find the median. (2)
Clark works in a shoe shop.
On Tuesday morning he sold some pairs of shoes.
The mean price of the pairs of shoes was £34
On Tuesday afternoon he sold only two pairs of shoes.
The prices of these pairs of shoes were £31 and £49
(d) Is the mean price of all the pairs of shoes Clark sold on Tuesday more or less than £34?
You must give a reason for your answer. (1)
You must give a reason for your answer. (1)
| Scheme | Marks |
|---|---|
| 4 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 10 – 4 | M1 |
| 6 | A1 |
| (2) |
Notes
M1: or for 10 and 4 selected
| Scheme | Marks |
|---|---|
| 4, 4, 4, 4, 4, 5, 7, 7, 7, 8, 10 | M1 |
| 5 | A1 |
| (2) |
Notes
M1: allow one error or omission
| Scheme | Marks |
|---|---|
| more with reason | B1 |
| (1) | |
| (6 marks) |
Notes
B1: e.g. mean of extra pairs of shoes is £40; £31 is £3 less than given mean and £49 is £15 more than given mean