Shop Swiftlyis a courier service specializing in supporting businesses with delivery of packages from online orders around Asia-Pacific region.With a surge in online shopping over the last 12 months and a reduced fleet of planes across the region,the manager would like to provide an accurate delivery times to customers.

The distance for 29 randomly selected delivery routes and the time taken to deliver the parcel was recorded.The data were summarised in the scatterplot below, together with the regression output.

Distance (km) vs Delivery time (hours) 70 y = 0.0043x + 4.3203 60 R