Question

Fifty cities provided information on vacancy rates (in percent) in local apartments in the following frequency distribution.
Vacancy Rate (in percent) .... Frequency
0 up to 3 ........... 5
3 up to 6 ........... 10
6 up to 9 ........... 20
9 up to 12 ........... 10
12 up to 15 ......... 5

a. Construct the corresponding relative frequency distribution, cumulative frequency distribution, and cumulative relative frequency distribution.
b. How many of the cities had a vacancy rate less than 12%? What percent of the cities had a vacancy rate of at least 6% but less than 9%? What percent of the cities had a vacancy rate of less than 9%?
c. Construct a histogram. Comment on the shape of the distribution.



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  • CreatedJanuary 28, 2015
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