a.
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 =
your medical terminology instructor listed the following grades for the class out of a 75 point test:
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?
3 answers
40
90