Posted by benn on Wednesday, November 4, 2009 at 8:14am.
Find the first, second, and third quartiles of the data.
15, 6, 1, 13, 5, 11, 3, 8
My answer:
1st quartile: 3
2nd quartile: 7
3rd quartile: 13
Am I right?

math  PsyDAG, Wednesday, November 4, 2009 at 9:55am
1, 3, 5, 6, 8, 11, 13, 15
From this rearrangement I would say they would be 4, 7 and 12, respectively.
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