| Exam Board | AQA |
|---|---|
| Module | AS Paper 2 (AS Paper 2) |
| Year | 2024 |
| Session | June |
| Marks | 1 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Bivariate data |
| Type | Identify outliers or unusual points |
| Difficulty | Easy -1.8 This is a straightforward identification task requiring only visual inspection of a provided scatter diagram to spot which point doesn't fit the general pattern. No calculations, statistical knowledge beyond basic outlier recognition, or problem-solving is needed—just reading a graph and matching to given options. |
| Spec | 2.02h Recognize outliers |
| Adult | A | B | C | D | E | F | G | H | I | J |
| \(x\) | 5.3 | 6.2 | 3.6 | 10.4 | 2.4 | 9.4 | 6 | 5 | 7.1 | 11.2 |
| \(y\) | 90 | 145 | 88 | 48 | 114 | 44 | 80 | 95 | 55 | 41 |
| Answer | Marks | Guidance |
|---|---|---|
| 11 | Circles second answer | 2.2a |
| Question 11 Total | 1 | |
| Q | Marking instructions | AO |
Question 11:
11 | Circles second answer | 2.2a | B1 | B
Question 11 Total | 1
Q | Marking instructions | AO | Marks | Typical solution
The table below shows the daily salt intake, $x$ grams, and the daily Vitamin C intake, $y$ milligrams, for a group of 10 adults.
\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|}
\hline
Adult & A & B & C & D & E & F & G & H & I & J \\
\hline
$x$ & 5.3 & 6.2 & 3.6 & 10.4 & 2.4 & 9.4 & 6 & 5 & 7.1 & 11.2 \\
\hline
$y$ & 90 & 145 & 88 & 48 & 114 & 44 & 80 & 95 & 55 & 41 \\
\hline
\end{tabular}
A scatter diagram of the data is shown below.
\includegraphics{figure_3}
One of the adults is an outlier. Identify the letter of the adult that is the outlier.
Circle your answer below.
[1 mark]
A $\qquad$ B $\qquad$ E $\qquad$ J
\hfill \mbox{\textit{AQA AS Paper 2 2024 Q11 [1]}}