The daily maximum temperature, in ∘ ^\circ\,∘C, was recorded for 21 days in a city.
| 18 | 22 | 31 | 15 | 19 | 27 | 24 |
| 21 | 29 | 30 | 26 | 17 | 25 | 20 |
| 16 | 23 | 28 | 34 | 32 | 22 | 18 |
Draw an ordered stem and leaf diagram to show this information. You must include a key.
One of the days is selected at random. Find the probability that the maximum temperature was less than 20∘ 20^\circ\,20∘C.
Practise AQA GCSE Maths Stem and Leaf with exam-style questions for Foundation and Higher tier. 40 questions, matched to the AQA GCSE Maths (8300) 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.