The frequency table shows the heights of 60 sunflower plants in a garden.
a.
[2]
On the grid, plot a cumulative frequency graph for this information.
| Height (h h\,h cm) | Frequency |
|---|---|
| 0<h≤500 < h \le 500<h≤50 | 5 |
| 50<h≤10050 < h \le 10050<h≤100 | 12 |
| 100<h≤150100 < h \le 150100<h≤150 | 22 |
| 150<h≤200150 < h \le 200150<h≤200 | 14 |
| 200<h≤250200 < h \le 250200<h≤250 | 7 |
b.[1]
Find an estimate for the number of sunflowers taller than 225 cm.
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.