Question 2
20%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 |
a.[1]
What type of correlation does the scatter graph show?
b.[2]
On the 11th^{th}th day there were 8.5 hours of sunshine. Estimate the number of visitors on the 11th day.
c.[1]
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
55 exam-style questions on AQA GCSE Maths Scatter Graphs. Each one has a worked solution and a mark scheme showing where the marks go.