Aisha keeps track of the distance she runs and her average speed.
The outcomes are displayed in the scatter diagram.
Axes text: The vertical axis is labelled "Average speed (km/h)" and runs from 5 to 16. The horizontal axis is labelled "Distance (km)" and runs from 0 to 10.
(a)[2]
Plot these points on the scatter diagram.
(b)[1]
What kind of correlation is displayed in the scatter diagram?
(c)[1]
Using the scatter diagram, draw a line of best fit.
(d)[1]
Use your line of best fit to estimate her average speed for a distance of 6 km.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “All four points plotted correctly” …