Edexcel S2 — Question 1 3 marks

Exam BoardEdexcel
ModuleS2 (Statistics 2)
Marks3
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicMeasures of Location and Spread
TypeSampling frames and populations
DifficultyEasy -1.8 This is a straightforward recall question testing basic sampling terminology and concepts. Part (a) requires listing standard reasons for sampling (cost, time, practicality) with no calculation or problem-solving, while part (b) asks for a simple example of a sampling frame. Both parts are definitional with no mathematical content or analytical thinking required.
Spec2.01a Population and sample: terminology

  1. Explain briefly why it is often useful to take a sample from a population. [2 marks]
  2. Suggest a suitable sampling frame for a local council to use to survey attitudes towards a proposed new shopping centre. [1 mark]

AnswerMarks Guidance
(a) Quicker and cheaper than a censusB2
(b) Use the electoral rollB1 3 marks total
(a) Quicker and cheaper than a census | B2 |

(b) Use the electoral roll | B1 | 3 marks total
\begin{enumerate}[label=(\alph*)]
\item Explain briefly why it is often useful to take a sample from a population. [2 marks]
\item Suggest a suitable sampling frame for a local council to use to survey attitudes towards a proposed new shopping centre. [1 mark]
\end{enumerate}

\hfill \mbox{\textit{Edexcel S2  Q1 [3]}}