| Exam Board | SPS |
|---|---|
| Module | SPS SM Statistics (SPS SM Statistics) |
| Year | 2026 |
| Session | January |
| Marks | 6 |
| Topic | Combinations & Selection |
| Type | Describing or comparing sampling methods |
| Difficulty | Easy -1.8 This is a straightforward statistics question testing basic knowledge of sampling methods. Part (a) requires simple recall of systematic sampling procedure (calculate sampling interval 50000/100=500, random start, select every 500th). Part (b) asks for standard textbook advantages/disadvantages with no analysis or application required. Minimal calculation and no problem-solving. |
| Spec | 2.01c Sampling techniques: simple random, opportunity, etc |
1.
A 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.
\item Give one advantage and one disadvantage of
\begin{enumerate}[label=(\roman*)]
\item quota sampling,
\item systematic sampling.
\end{enumerate}\end{enumerate}
\hfill \mbox{\textit{SPS SPS SM Statistics 2026 Q1 [6]}}