Foundation June 2017 Paper 2 Q6
6 A swimming pool has three changing rooms, Male, Female and Family.
The pictogram shows the number of people using each changing room during one hour.

8 people used the Male changing room.
(a) Complete the key. [1 mark]
(b) How many people used the Female changing room? [1 mark]
(c) The manager has bought lockers for the changing rooms.
Why should she not use these results to decide where to put them? [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| 4 | B1 |
Additional guidance
4 must be shown on the answer line in the key
| Answer | Mark | Comments |
|---|---|---|
| 15 | B1ft | Correct or ft \(3.75 \times\) their 4 from (a) if their 4 is a multiple of 4 |
Additional guidance
| (a) key blank or incorrect (b) 15 | B1 |
| (a) 8 (b) 30 | B1ft |
| (a) 10 (b) 37.5 (or 37 or 38) | B0ft |
| If answer line blank and 15 seen next to female row of pictogram | B1 |
| Answer | Mark | Comments |
|---|---|---|
| The sample is too small or the results may be biased or the sample is not representative | B1 |
Additional guidance
| This was only/ just 1 hour | B1 |
| More men might come at different times | B1 |
| It might have been a girls’ school using it | B1 |
| There were only/ just 25 people in the survey | B1 |
| The results may change | B1 |
| Ignore irrelevant comments alongside a correct statement eg There isn’t an equal number of males and females. A bigger sample is needed | B1 |
| Biased | B1 |
| Unfair | B0 |
| Should do it for longer until there is an equal number of males and females | B0 |
| It was for 1 hour | B0 |
| The results are about people not lockers | B0 |
| Not a lot of people use the family changing room | B0 |
| In that hour not many people used the changing rooms | B0 |