The scatter graph shows the daily rainfall and the number of umbrellas sold at a shop over 12 days.
| Rainfall (mm) | Umbrellas sold |
|---|---|
| 4 | 3 |
| 8 | 7 |
| 12 | 10 |
| 15 | 14 |
| 20 | 18 |
| 22 | 25 |
| 28 | 26 |
| 32 | 33 |
| 35 | 38 |
| 40 | 42 |
| 44 | 48 |
| 50 | 55 |
What type of correlation does the scatter graph show?
On another day, the rainfall was 27 mm. Estimate the number of umbrellas sold that day.
Practise Edexcel GCSE Maths Scatter Graphs with exam-style questions for Foundation and Higher tier. 55 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.
