(a(i))[2]
Complete the scatter diagram. The first $6$ points are already plotted for you.
(a(ii))[1]
Draw the line of best fit.
(a(iii))[1]
Use your line of best fit to estimate the value of a car of this model that is $7$ years old.
(a(iv))[1]
Jay has a car of this model that is $12$ years old and he wants to find its value. Explain why Jay should not use this scatter diagram to estimate the value of this car.
(b(i))[1]
Work out the fraction of the cars that have travelled more than $50\,000\,\text{km}$. Present your answer in simplest form.
(b(ii))[1]
Find the interval containing the median.
(b(iii))[3]
Calculate an estimated mean distance travelled.