The frequency table shows the time taken for 100 people to travel to an event.
| Time (minutes) | Frequency |
|---|---|
| 20<t≤3020 < t \leq 3020<t≤30 | 9 |
| 30<t≤4030 < t \leq 4030<t≤40 | 16 |
| 40<t≤5040 < t \leq 5040<t≤50 | 20 |
| 50<t≤6050 < t \leq 6050<t≤60 | 29 |
| 60<t≤7060 < t \leq 7060<t≤70 | 15 |
| 70<t≤8070 < t \leq 8070<t≤80 | 11 |
a.[2]
On the grid, plot a cumulative frequency graph for this information.
b.[2]
Find an estimate for the median time taken.
Cumulative Frequency Questions
Practise OCR GCSE Maths Cumulative Frequency with exam-style questions for Foundation and Higher tier. 24 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.