| Exam Board | Edexcel |
|---|---|
| Module | S2 (Statistics 2) |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Topic | Discrete Random Variables |
| Type | Statistics vs non-statistics identification |
| Difficulty | Easy -1.2 This is a straightforward definitional question requiring recall of two basic statistical concepts with no calculation or problem-solving. Worth only 4 marks total, it tests whether students can articulate standard textbook definitions of 'statistic' and 'sampling distribution', making it easier than average A-level questions which typically require application of techniques. |
| Spec | 2.01a Population and sample: terminology |
Explain briefly what you understand by
\begin{enumerate}[label=(\alph*)]
\item a statistic, [2]
\item a sampling distribution. [2]
\end{enumerate}
\hfill \mbox{\textit{Edexcel S2 Q1 [4]}}