Description
Find the value of the 30th percentile of the following set of data.
18, 9, 7, 5, 11, 7, 17, 20, 19, 2, 17, 12, 5, 1, 13, 12, 11, 15, 16, 20
a.11
b.20
c.9
d.19

Explanation & Answer

Answer is a.11
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