| Exam Board | Edexcel |
|---|---|
| Module | S3 (Statistics 3) |
| Year | 2009 |
| Session | June |
| Marks | 6 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Non-parametric tests |
| Type | Systematic sampling methods |
| Difficulty | Easy -1.8 This is a straightforward recall question on sampling methods requiring no calculation or problem-solving. Students need only describe the systematic sampling procedure (find sampling interval 500, random start, select every 500th name) and list standard advantages/disadvantages from textbook definitions. No mathematical reasoning or application of statistical techniques is required. |
| Spec | 2.01c Sampling techniques: simple random, opportunity, etc2.01d Select/critique sampling: in context |
| Answer | Marks | Guidance |
|---|---|---|
| 1 | 33 | 36.743 |
Question 1:
1 | 33 | 36.743A telephone directory contains 50000 names. A researcher wishes to select a systematic sample of 100 names from the directory.
\begin{enumerate}[label=(\alph*)]
\item Explain in detail how the researcher should obtain such a sample. [2]
\item Give one advantage and one disadvantage of
\begin{enumerate}[label=(\roman*)]
\item quota sampling,
\item systematic sampling.
\end{enumerate}
[4]
\end{enumerate}
\hfill \mbox{\textit{Edexcel S3 2009 Q1 [6]}}