Posted by benn on .
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,
1, 3, 5, 6, 8, 11, 13, 15
From this rearrangement I would say they would be 4, 7 and 12, respectively.