Question: Complete the final two columns in the following frequency distribution table and then find the percentiles and percentile ranks requested: X f cf c% 25-29

Complete the final two columns in the following frequency distribution table and then find the percentiles and percentile ranks requested:

X                 f            cf            c%

25-29          1

20-24          4

15-19          8

10-14          7

5-9              3

0-4              2

A) What is the percentile rank for X= 9.5?

B) What is the percentile rank for X= 19.5?

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