- November 2025 (9709/52). Question 5 (Includes Representation of Data)
- The times of 240 competitors taking part in an event are recorded correct to the nearest minute. The results are summarised in the table:
| Time (minutes) | 1 – 10 | 11 – 20 | 21 – 25 | 26 – 30 | 31 – 50 |
| Frequency | 12 | 38 | 68 | 76 | 46 |
(a) Draw a histogram to represent this information. [4 marks]
(b) Calculate an estimate of the mean time taken by the 240 competitors. [3 marks]