Michael Lee was feeling bored and decided to construct a box-and-whisker plot using the results of a Non-Calculator test completed by his maths class.

Using the information given, find
a) The median- 17
b) The lower and upper quartile- 19 and 14
c) The interquartile range- 5
d) The outlier-

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I'M GOOD AT MATHS AYE. I SHOULD SO TOTALLY CHOOSE 4 UNIT MATHS FOR NEXT YEAR BECAUSE I'M DEFINITELY GOING TO ACE ALL THE TESTS AND GET A 99.9 ATAR.