| Exam Board | Edexcel |
|---|---|
| Module | S1 (Statistics 1) |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Modelling and Hypothesis Testing |
| Type | Statistical modeling theory |
| Difficulty | Easy -1.8 This is a straightforward recall question requiring only definitions of basic statistical concepts with no calculation, problem-solving, or application. It tests memorization of terminology rather than understanding or technique, making it significantly easier than average A-level questions. |
| Spec | 2.04h Select appropriate distribution |
| Answer | Marks | Guidance |
|---|---|---|
| (a) A mathematical representation which statistically describes or predicts the behaviour of a real-life situation | B2 | |
| (b) An improved mathematical formulation of the problem which aims to represent the reality more closely | B2 | Total: 4 marks |
(a) A mathematical representation which statistically describes or predicts the behaviour of a real-life situation | B2 |
(b) An improved mathematical formulation of the problem which aims to represent the reality more closely | B2 | Total: 4 marksBriefly describe what is meant by
\begin{enumerate}[label=(\alph*)]
\item a statistical model, [2 marks]
\item a refinement of a model. [2 marks]
\end{enumerate}
\hfill \mbox{\textit{Edexcel S1 Q1 [4]}}