| Exam Board | AQA |
|---|---|
| Module | Paper 3 (Paper 3) |
| Year | 2022 |
| Session | June |
| Marks | 3 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Permutations & Arrangements |
| Type | Linear programming and optimization |
| Difficulty | Easy -1.8 This is a straightforward statistics question testing basic definitions: identifying a population, naming systematic sampling, and stating a textbook advantage. It requires only recall of standard terminology with no calculation, problem-solving, or mathematical reasoning—significantly easier than typical A-level questions. |
| Spec | 2.01a Population and sample: terminology2.01c Sampling techniques: simple random, opportunity, etc2.01d Select/critique sampling: in context |
| Answer | Marks |
|---|---|
| 15(a) | States the correct population |
| Answer | Marks | Guidance |
|---|---|---|
| Must see electoral register | 3.3 | B1 |
| Subtotal | 1 | |
| Q | Marking instructions | AO |
| Answer | Marks | Guidance |
|---|---|---|
| 15(b)(i) | Recalls correct name for | |
| sampling method | 1.2 | B1 |
| Subtotal | 1 | |
| Q | Marking instructions | AO |
| Answer | Marks |
|---|---|
| 15(b)(ii) | States one advantage that |
| Answer | Marks | Guidance |
|---|---|---|
| statement | 3.5b | E1 |
| Subtotal | 1 |
| Answer | Marks | Guidance |
|---|---|---|
| Question 15 Total | 3 | |
| Q | Marking instructions | AO |
Question 15:
--- 15(a) ---
15(a) | States the correct population
Allow ‘people’ or ‘names’ or
‘members’ for adults
Must see electoral register | 3.3 | B1 | Adults on the electoral register
Subtotal | 1
Q | Marking instructions | AO | Marks | Typical solution
--- 15(b)(i) ---
15(b)(i) | Recalls correct name for
sampling method | 1.2 | B1 | Systematic sampling
Subtotal | 1
Q | Marking instructions | AO | Marks | Typical solution
--- 15(b)(ii) ---
15(b)(ii) | States one advantage that
sampling method
For example
• easy to carry out or quick
• no bias or it is fair
• reduce chance of cluster
Do not accept random
Do not ignore incorrect
statement | 3.5b | E1 | Cheap to collect
Subtotal | 1
easy to carry out or quick
no bias or it is fair
reduce chance of cluster
Do not accept random
Do not ignore incorrect
statement
Question 15 Total | 3
Q | Marking instructions | AO | Marks | Typical solutionResearchers are investigating the average time spent on social media by adults on the electoral register of a town.
They select every 100th adult from the electoral register for their investigation.
\begin{enumerate}[label=(\alph*)]
\item Identify the population in their investigation.
[1 mark]
\item \begin{enumerate}[label=(\roman*)]
\item State the name of this method of sampling.
[1 mark]
\item Describe one advantage of this sampling method.
[1 mark]
\end{enumerate}
\end{enumerate}
\hfill \mbox{\textit{AQA Paper 3 2022 Q15 [3]}}