Could someone please help me with this question?

Question

What are crime rates?
This is what I have so far:
Crime rates are the number of offenses reported for each unit of population.
How could I expand on this?
Thanks for your help!

Answer 1

Give some examples.

http://www.google.com/search?rlz=1C1GGGE_enUS379US379&sourceid=chrome&ie=UTF-8&q=how+to+calculate+crime+rates

Answer 2

Crime rates are usually divided by the type of crime -- violent, property, etc. Crime rates for cities and neighborhoods are published.

Check this site for more information.

http://en.wikipedia.org/wiki/Crime_statistics