Ms Barnett has just marked a set of homework. The scores she gave were:
How many pieces of homework did Ms Barnett mark?
Aaron has been recording the number of goals he has scored in soccer matches so far this year.
Hannah has been trying to find out the number of m&m's that are in an average sized bag. The bar graph below shows the recorded number of m&m's found in each bag she has checked.
The frequency polygon below shows the scores awarded to a mathletes team during several recent competitions.