9709 P62 - Mar 2016 - Q4
2394
A survey was made of the journey times of 63 people who cycle to work in a certain town. The results are summarised in the following cumulative frequency table.
| Journey time (minutes) | ≤ 10 | ≤ 25 | ≤ 45 | ≤ 60 | ≤ 80 |
|---|---|---|---|---|---|
| Cumulative frequency | 0 | 18 | 50 | 59 | 63 |
- State how many journey times were between 25 and 45 minutes.
- Draw a histogram on graph paper to represent the data.
- Calculate an estimate of the mean journey time.
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