| Exam Board | Edexcel |
|---|---|
| Module | S2 (Statistics 2) |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Measures of Location and Spread |
| Type | Sampling frames and populations |
| Difficulty | Easy -2.0 This is a purely definitional question requiring only recall of basic sampling terminology with no mathematical content or problem-solving. It asks for explanations and definitions that would be memorized directly from textbook definitions, making it significantly easier than typical A-level maths questions which require calculation or application. |
| Spec | 2.01a Population and sample: terminology |
| Answer | Marks |
|---|---|
| (a) Quicker / cheaper to carry out; do not destroy whole population | B2 |
| (b) A list of the population | B1 B1 |
| A list of residents of the road | |
| 4 |
(a) Quicker / cheaper to carry out; do not destroy whole population | B2 |
(b) A list of the population | B1 B1 |
A list of residents of the road | |
| | 4 |\begin{enumerate}[label=(\alph*)]
\item Explain why it is often useful to take samples as a means of obtaining information. [2 marks]
\item Briefly define the term sampling frame. [1 mark]
\item Suggest a suitable sampling frame for a sample survey on a proposal to install speed humps on a road. [1 mark]
\end{enumerate}
\hfill \mbox{\textit{Edexcel S2 Q1 [4]}}