The frequency table shows the height, in cm, of a group of sunflowers in a garden.
a.
[1]
Complete the cumulative frequency table
| Height (h h\,h cm) | Cumulative Frequency |
|---|---|
| 0<h≤100 < h \leq 100<h≤10 | |
| 0<h≤200 < h \leq 200<h≤20 | |
| 0<h≤300 < h \leq 300<h≤30 | |
| 0<h≤400 < h \leq 400<h≤40 | |
| 0<h≤500 < h \leq 500<h≤50 | |
| 0<h≤600 < h \leq 600<h≤60 |
b.[2]
On the grid opposite draw a cumulative frequency graph for this information.
c.[2]
Use your cumulative frequency graph to find an estimate for the interquartile range.
Cumulative Frequency Questions
Practise Edexcel GCSE Maths Cumulative Frequency with exam-style questions for Foundation and Higher tier. 24 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.