box and whisker plot:
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A B C D E
A=the smallest number of your data set, B=the median between the smallest number and the median(Q2) of the data set(also known as Quartile 1), C= the median of your data set(Also known as Quartile 2), D=the median between the greatest number and the median(Q2) of the data set(Also known as Quartile 3), E= The greatest number in the data set.
Hope this helps