How does the American public perceive the rate of crime?
Is that perception influenced by what they see on television or read in other media?

Consider these data:

National Crime Rates: Trends from 1991 to 2006



(Rate per 100,000 inhabitants)


Murder*
Murder* Rape
Robbery
Assault Violent
Crime
Burglary
1991
[Population =  247 million]

24,703
9.8
42.3
272.7
433.4
758.2 1252.1
2006
[Population = 299 million]

17,030
5.7
31.0
149.4
287.5
476.3 729.4
Change 1991 to 2006


-42%
-28%
-45%
-34%
-37%
-42%


* = Murder & nonnegligent
manslaughter





Source: Crime in the United States, 2008. Federal Bureau of Investigation, US Department of Justice. Sept. 2009.
http://www.fbi.gov/ucr/cius2008/data/table_01.html