Question: hello! _____________________________ X f cf c% _____________________________ 20 2 40 100.0 19 4 38 95.0 18 6 34 85.0 17 13 28 70.0 16 6

hello!

_____________________________

X f cf c%

_____________________________

20 2 40 100.0

19 4 38 95.0

18 6 34 85.0

17 13 28 70.0

16 6 15 37.5

15 4 9 22.5

14 3 5 12.5

13 2 2 5.0

a. What is the percentile rank for X= 15? The percentile rank for X= 15 is

b. What is the percentile rank for X= 18?

c. What is the 15th percentile?

d. What is the 90th percentile?

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