Foundation November 2021 Paper 2 Q22
22 A journalist is going to do a survey to find out whether people aged 15 or less spend more time playing computer games than people aged more than 15.
The journalist says their sample will be the first 20 people leaving a particular shop after 9 am next Monday.
(a) Give one reason why the journalist’s sample is unlikely to give reliable information. [1]
(b) Make three suggestions to help the journalist obtain a sample that may give more reliable information. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| Correct reason | 1 | e.g. all could be children oe all could be adults oe too small a sample vary the time various age groups | See Appendix |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| Any three from: Larger sample size Vary the time of day/day Ensure equal numbers [of older and younger people are asked] Vary the location | 3 | B1 for each | isw incorrect reasons See Appendix |
Appendix
Exemplar responses Q22a
| Response | Mark |
|---|---|
| School starts at 9am | 1 |
| There might be no one below 15 | 1 |
| Because he could ask more people that are 15 than people aged more than 15 | 1 |
| The first 20 might all be the same age | 1BOD |
| People under the age of 15 will at school and most over the age of 15 may be at college or work | 1BOD |
| People leaving a particular shop | 1BOD |
| Not diverse enough | 0 |
| Not everybody may be out at the time the survey is taken | 0 |
| How do we know they all played games | 0 |
| Won’t know what age they’ll be | 0 |
Exemplar responses Q22b
| Response | Mark |
|---|---|
| Use statistics from other days | 1 |
| Make the survey available online implies more people and different age groups | 1 |
| Go to the schools and ask individually every person, confirm ages, equal amounts of both under and over 18 | 0, 0, 1BOD |
| Make sure you ask their age | 0 |
| It should be a closed question | 0 |
| The journalist should be unbiased | 0 |
| Go to school in a certain year and ask 20 students | 0 |
| Go to a game shop | 0 |
| have a wider time range as there is no time range/limit | 0 |
| Do it on a Tuesday as just on a different day of the week would make no difference | 0 |
| Asking people of all ages not the same as ensuring equal numbers | 0 |
| Ask female. And male not relevant to data required | 0 |