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September 21, 2014

September 21, 2014

Posted by **Ben** on Sunday, November 3, 2013 at 11:46am.

33,34,43,45,45,54,55,59,60,62,64,66,67,68,67,68,68,69,70,70

a.find the 90th percentile

b. your score was 59, what is your percentile?

- Statistics -
**Kuai**, Sunday, November 3, 2013 at 12:34pma.

k =90

n = 20

90th percentile = k/100 *n

90/100* 20

=18

90th percentile = 69

b.

percentile = R/(n +1)

8/(20+ 1)

8/21 = .38095 *100 =

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