(a(i))[4]
Calculate an estimated mean.
(a(ii))[3]
On the grid, draw a histogram to represent the information in the table.
(a(iii))[3]
Calculate the probability that one student takes more than 25 minutes and the other student takes 10 minutes or less to travel to school.
(b(i))[1]
State the shortest time taken.
(b(ii))[3]
On the grid, draw a box-and-whisker plot to represent this information.
(b(iii))[1]
Explain why this statement is wrong.