| Exam Board | AQA |
|---|---|
| Module | S2 (Statistics 2) |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Chi-squared distribution |
| Squash | Badminton | Archery | Hockey | Total | |
| Male | 5 | 16 | 30 | 19 | 70 |
| Female | 4 | 20 | 33 | 53 | 110 |
| Total | 9 | 36 | 63 | 72 | 180 |
2 Year 12 students at Newstatus School choose to participate in one of four sports during the Spring term.
The students' choices are summarised in the table.
\begin{center}
\begin{tabular}{|l|l|l|l|l|l|}
\hline
& Squash & Badminton & Archery & Hockey & Total \\
\hline
Male & 5 & 16 & 30 & 19 & 70 \\
\hline
Female & 4 & 20 & 33 & 53 & 110 \\
\hline
Total & 9 & 36 & 63 & 72 & 180 \\
\hline
\end{tabular}
\end{center}
(a) Use a $\chi ^ { 2 }$ test, at the $5 \%$ level of significance, to determine whether the choice of sport is independent of gender.\\
(b) Interpret your result in part (a) as it relates to students choosing hockey.
\hfill \mbox{\textit{AQA S2 Q2}}