| Exam Board | AQA |
|---|---|
| Module | Paper 3 (Paper 3) |
| Session | Specimen |
| Marks | 2 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Permutations & Arrangements |
| Type | Linear programming and optimization |
| Difficulty | Easy -2.0 This is a trivial statistics question requiring only basic definitional recall of 'population' and 'simple random sampling' with no calculation or problem-solving. Both parts are multiple-choice identification of standard terminology from the AS-level statistics specification. |
| Spec | 2.01a Population and sample: terminology2.01c Sampling techniques: simple random, opportunity, etc |
| Edna and Ralph | The 2065 households in the village | The energy intake for the village from eating out | The 100 households selected |
| Opportunity | Random number | Continuous random variable | Simple random |
| Answer | Marks | Guidance |
|---|---|---|
| 8(a) | Circles correct answer | AO1.2 |
| (b) | Circles correct answer | AO1.2 |
| Total | 2 |
Question 8:
--- 8(a) ---
8(a) | Circles correct answer | AO1.2 | B1 | The 2065 households in the village
(b) | Circles correct answer | AO1.2 | B1 | Simple random
Total | 2Edna wishes to investigate the energy intake from eating out at restaurants for the households in her village.
She wants a sample of 100 households.
She has a list of all 2065 households in the village.
Ralph suggests this selection method.
"Number the households 0000 to 2064. Obtain 100 different four-digit random numbers between 0000 and 2064 and select the corresponding households for inclusion in the investigation."
\begin{enumerate}[label=(\alph*)]
\item What is the population for this investigation?
Circle your answer. [1 mark]
\begin{tabular}{cccc}
Edna and Ralph & The 2065 households in the village & The energy intake for the village from eating out & The 100 households selected
\end{tabular}
\item What is the sampling method suggested by Ralph?
Circle your answer. [1 mark]
\begin{tabular}{cccc}
Opportunity & Random number & Continuous random variable & Simple random
\end{tabular}
\end{enumerate}
\hfill \mbox{\textit{AQA Paper 3 Q8 [2]}}