a. Using the data provided in the charts on page 6, complete the table below. (8 marks)
| Data set 1: Year 8 | Data set 2: Year 10 | |
|---|---|---|
| Average grades | Descriptive statistics (median, minimum and maximum) | Descriptive statistics (median, minimum and maximum) |
| Study time | Descriptive statistics (median, minimum and maximum) | Descriptive statistics (median, minimum and maximum) |
| Pearson’s correlation coefficient (r) | ||
| Shape and skew of the data |
b. Using your interpretations from part a, comment on the conclusions that can be drawn about the data. (4 marks)