| Exam Board | Edexcel |
|---|---|
| Module | S3 (Statistics 3) |
| Year | 2005 |
| Session | June |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Permutations & Arrangements |
| Type | Selection with type constraints |
| Difficulty | Easy -1.8 This is a pure recall question requiring students to state standard textbook definitions about sampling methods. No calculation, problem-solving, or application is needed—just memorization of basic statistical concepts. Even easier than typical computational statistics questions. |
| Spec | 2.01c Sampling techniques: simple random, opportunity, etc2.01d Select/critique sampling: in context |
\begin{enumerate}[label=(\alph*)]
\item State two reasons why stratified sampling might be chosen as a method of sampling when carrying out a statistical survey. [2]
\item State one advantage and one disadvantage of quota sampling. [2]
\end{enumerate}
(Total 4 marks)
\hfill \mbox{\textit{Edexcel S3 2005 Q1 [4]}}