(a(i))[2]
In the morning, 160 vehicles go through the checkpoint. The table shows how many people are in each vehicle. Complete the table.
(a(ii))[1]
Finish the pie chart so that it displays the results.
(b(i))[1]
Sanjay claims the histogram shows that the speed range is $50\text{ km/h}$. Explain why he may be wrong.
(b(ii))[3]
Fill in the missing entries in the frequency table.