The frequency table shows the height of 100 tomato plants in a greenhouse.
| Height (h h\,h cm) | Frequency |
|---|---|
| 0<h≤100 < h \leq 100<h≤10 | 12 |
| 10<h≤2010 < h \leq 2010<h≤20 | 18 |
| 20<h≤3020 < h \leq 3020<h≤30 | 25 |
| 30<h≤4030 < h \leq 4030<h≤40 | 22 |
| 40<h≤5040 < h \leq 5040<h≤50 | 15 |
| 50<h≤6050 < h \leq 6050<h≤60 | 8 |
Find the percentage of tomato plants that have a height of more than 40 cm.
Find the class interval that contains the median.
Find an estimate for the mean height of the tomato plants.
Practise OCR GCSE Maths Averages from Frequency Tables with exam-style questions for Foundation and Higher tier. 32 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.