| Exam Board | Edexcel |
|---|---|
| Module | S2 (Statistics 2) |
| Year | 2006 |
| Session | June |
| Marks | 3 |
| 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 basic conceptual question about sampling terminology requiring only recall of definitions (sampling frame, sampling units, reasons for sampling). No calculations or problem-solving involved—students simply need to state standard textbook answers about practical/cost reasons for sampling, membership list as frame, and individual members as units. |
| Spec | 2.01a Population and sample: terminology2.01c Sampling techniques: simple random, opportunity, etc2.01d Select/critique sampling: in context |
| Answer | Marks | Guidance |
|---|---|---|
| (a) Saves time / cheaper / easier, any one OR A census/asking all members takes a long time or is expensive or difficult to carry out | B1 | must be in part a context needed once |
| (b) List, register or database of all club members/golfers OR Full membership list | B1 | |
| (c) Club member(s) | B1 |
**(a)** Saves time / cheaper / easier, any one OR A census/asking all members takes a long time or is expensive or difficult to carry out | B1 | must be in part a context needed once
**(b)** List, register or database of all club members/golfers OR Full membership list | B1 |
**(c)** Club member(s) | B1 |Before introducing a new rule the secretary of a golf club decided to find out how members might react to this rule.
\begin{enumerate}[label=(\alph*)]
\item Explain why the secretary decided to take a random sample of club members rather than ask all the members. [1]
\item Suggest a suitable sampling frame. [1]
\item Identify the sampling units. [1]
\end{enumerate}
\hfill \mbox{\textit{Edexcel S2 2006 Q1 [3]}}