The number of hours of sunshine and the total sales of sunscreen at a pharmacy are recorded for 10 days. The scatter graph shows this information.
| Sunlight hours (h) | Sunscreen sales (£) |
|---|---|
| 2 | 10 |
| 3 | 15 |
| 5 | 25 |
| 6 | 30 |
| 7 | 45 |
| 8 | 10 |
| 9 | 50 |
| 11 | 65 |
| 12 | 70 |
| 13 | 80 |
a.[1]
What type of correlation does the scatter graph show?
b.[1]
One of the points is an outlier. Write down the coordinates for this point.
c.[2]
On another day there were 10 hours of sunshine. Estimate the sunscreen sales on this day.
Scatter Graphs Questions
Practise Edexcel GCSE Maths Scatter Graphs with exam-style questions for Foundation and Higher tier. 56 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.