The following are the GPAs of 12 randomly selected SCC students: 2.1, 2.2, 2.2, 2.3, 2.5, 2.6, 2.6, 2.8, 3.1, 3.3, 3.4, 3.9 (a) Find the percentile rank of the student whose GPA is 3.1. (b) Find the approximate 80th percentile of these GPA’s.

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The following are the GPAs of 12 randomly selected SCC students:
2.1, 2.2, 2.2, 2.3, 2.5, 2.6, 2.6, 2.8, 3.1, 3.3, 3.4, 3.9
(a) Find the percentile rank of the student whose GPA is 3.1.
(b) Find the approximate 80th percentile of these GPA’s. 

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The data is as follows:

2.1, 2.2, 2.2, 2.3, 2.5, 2.6, 2.6, 2.8, 3.1, 3.3, 3.4, 3.9

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