An environmental scientist measured the concentration of micro-plastic particles in nine independent water samples taken from a mountain lake. The results are shown in Table 1.
Table 1 Micro-plastic particle counts per litre in nine lake water samples
| Sample | Micro-plastic particles per litre |
|---|---|
| A | 14 |
| B | 18 |
| C | 15 |
| D | 16 |
| E | 124 |
| F | 12 |
| G | 17 |
| H | 13 |
| I | 15 |
Explain why the median would be a more appropriate measure of central tendency than the mean for the data in Table 1.
235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.