| Exam Board | Edexcel |
|---|---|
| Module | S2 (Statistics 2) |
| Session | Specimen |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Data representation |
| Type | Describe or suggest sampling method |
| Difficulty | Easy -1.8 This is a straightforward recall question about basic sampling terminology and concepts. It requires only textbook definitions (census vs sample, sampling frame, sampling units) with no calculation, problem-solving, or application of statistical techniques. Well below average difficulty for A-level. |
| Spec | 2.01a Population and sample: terminology2.01c Sampling techniques: simple random, opportunity, etc2.01d Select/critique sampling: in context |
A school held a disco for years 9, 10 and 11 which was attended by 500 pupils. The pupils were registered as they entered the disco. The disco organisers were keen to assess the success of the event. They designed a questionnaire to obtain information from those who attended.
\begin{enumerate}[label=(\alph*)]
\item State one advantage and one disadvantage of using a sample survey rather than a census. [2]
\item Suggest a suitable sampling frame. [1]
\item Identify the sampling units. [1]
\end{enumerate}
\hfill \mbox{\textit{Edexcel S2 Q1 [4]}}