The frequency distribution representing the number of frequent flier miles accumulated by employees at brumley statistical consulting company is given below. frequent flier miles (000) frequency 0 up to 3 5 3 up to 6 12 6 up to 9 23 9 up to 12 8 12 up to 15 2 total 50

a. how many employees accumulated less than 3,000 miles? employees

b. convert the frequency distribution to a cumulative frequency distribution. miles f cf 0 up to 3 5 3 up to 6 12 6 up to 9 23 9 up to 12 8 12 up to 15 2

c. based on the cumulative frequency polygon, about 75% of the employees accumulated how many miles or less? employees