MsBarnett has just marked a set of homework. The scores she gave were:

$99,26,36,31,2$99,26,36,31,2

How many pieces of homework did MsBarnett mark?

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Aaron has been recording the number of goals he has scored in soccer matches so far this year.

$1,2,4,2,3,4,2,2,1,3,2$1,2,4,2,3,4,2,2,1,3,2

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.