Box plots displays data using thier five-number summries. They are broken down into the Smple Mnimum, Quartile 1, Quartile 2, Quartile 3, and Sample Maximum. You can see that the median score is about 14, with a minimum value you 2 and a maximum value of 24.
http://www.epa.gov/volunteer/stream/images/fig64.jpg
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