The number of hours of sunshine and the number of visitors to a theme park were recorded for 10 days. The scatter graph shows this information.
| Hours of sunshine | Number of visitors |
|---|---|
| 4 | 120 |
| 5 | 180 |
| 6 | 210 |
| 7 | 250 |
| 8 | 240 |
| 9 | 310 |
| 10 | 350 |
| 11 | 380 |
| 11 | 420 |
| 12 | 450 |
What type of correlation does the scatter graph show?
On the 11th^{th}th day there were 8.5 hours of sunshine. Estimate the number of visitors on the 11th day.
The theme park manager wants to use the scatter graph to predict the number of visitors for a day with 20 hours of sunshine. Comment on the reliability of this prediction.
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.