Question: 20. Complete the following frequency distribution table, and find each of the percentiles and percentile ranks requested: X f a. What is the 75th percentile?

20. Complete the following frequency distribution table, and find each of the percentiles and percentile ranks requested: X f

a. What is the 75th percentile?

b. What is the percentile rank for X = 9.5?

c. Find the 50th percentile. 21. Complete the cumulative frequency column and the cumulative percentage column for the following table: x f of c% 54322 3 8 70053 N 3 1 2

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