Posted by **Rhea** on Sunday, September 26, 2010 at 1:21am.

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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