Posted by Rhea on .
Calculate the first, second, and third quartiles of the following sample.
2 2 3 3 4 4 4 5 5 5 7 7 8 9 10
Are my answers correct:
25th percentile = 3
50th percentile  5
75th percentile = 7

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PsyDAG,
In terms of whole numbers, you are right.