Identify the type of distribution shown in the data in Table 1 for each age group. In each case justify your answer.
Table 1 Average duration (in minutes) of focused attention on a reading task for two age groups
| Measure of central tendency | Group X (8-year-olds) | Group Y (12-year-olds) |
|---|---|---|
| Mean | 15 | 20 |
| Median | 12 | 20 |
| Mode | 8 | 20 |
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.