Question: The frequency distribution representing the number of frequent flier miles

The frequency distribution representing the number of frequent flier miles accumulated by employees at Brumley Statistical Consulting Inc. is repeated from Exercise 17.
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?
b. Convert the frequency distribution to a cumulative frequency distribution.
c. Portray the cumulative distribution in the form of a cumulative frequency polygon.
d. Based on the cumulative frequency polygon, about 75% of the employees accumulated how many miles or less?




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  • CreatedDecember 10, 2014
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