A delivery driver records the distance traveled and the time taken for 10 different journeys. The scatter graph shows this information.
| Distance (km) | Time taken (minutes) |
|---|---|
| 1 | 4 |
| 2 | 7 |
| 3 | 11 |
| 4 | 15 |
| 5 | 18 |
| 6 | 22 |
| 7 | 25 |
| 8 | 30 |
| 9 | 33 |
| 1 | 30 |
What type of correlation does the scatter graph show?
One of the points is an outlier. Write down the coordinates for this point.
For another journey the distance was 4.5 km. Estimate the time taken for this journey.
