From 2002 to 2011, the average homicide rate for blacks was ______ times higher than the rate for whites.
a. 2.5
b. 4.8
c. 6.3
d. 9.1
c. 6.3
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The most consistent measure of variability is called the:
a. range. b. variance. c. standard deviation. d. average deviation.
The Metropolitan Police Act of 1829 created the first modern professional police force in which city?
A. London B. Boston C. Paris D. New York
Which of the following is the best example of an alternative hypothesis?
a.Fords are no more likely to be in an auto accident than any other model of car. b.Generic drugs are just as effective in treating illnesses as brand-name drugs. c.Younger people are more likely to use social media than are older people. d.The networks of all the different cell phone providers are the same.
Lewis Yablonsky's classical theory on the origin of juvenile gangs focused on which of the following sociological variables?
A) subcultural affiliation B) peer pressure C) strain D) social disorganization