An environmental scientist measured the concentration of microplastic particles (count per litre) in water samples taken from two distinct coastal areas: Location X (near an industrial zone) and Location Y (a protected marine reserve). The results are shown in Table 2.
Table 2 Microplastic counts per litre
| Location X (Industrial Zone) | Location Y (Marine Reserve) |
|---|---|
| 14 | 3 |
| 18 | 5 |
| 11 | 2 |
| 15 | 4 |
| 18 | 3 |
| 9 | 6 |
| 21 | 3 |
| 18 | 7 |
| 12 | 5 |
| 16 | 2 |
| 10 | 4 |
Using the data in Table 2, calculate the median and mode microplastic counts for the Location X (Industrial Zone) water samples.
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.