The average homicide rate for the cities and towns in a state is 10 per 100,000 population with a standard deviation of 2 . If the variable is normally distributed, what is the probability that a randomly selected town will have a homicide rate greater than 8?
a. 0.34
b. 0.68
c. 0.84
d. 0.01
c
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Under the current Social Security system, a person is not penalized for wages earned after age
a. 62. b. 65. c. 68. d. 70.
The variable DEGREE is best described as:
A team of researchers is interested to know whether educational attainment affects the likelihood of owning or renting a home. They create a cross-tab with DWELOWN (Do you/Does your family) own your (home/apartment), pay rent, or what?”) and DEGREE (respondents’ highest educational degree), using a filter of “YEAR (2010-2014).” Figure 8.1 shows the resulting analysis.
Figure 8.1
a. a dummy variable.
b. a categorical variable.
c. an ordinal variable.
d. an interval-ration level variable.
Droughts in California caused households to cut water usage and recycle wastewater. These shortages are an example of ______.
A. a stress B. a strain C. disorientation D. contrasting belief systems
Which of the following arguments do opponents of bilingual education often make?
A. Bilingual education confuses children, and they are more likely act out aggressively. B. Bilingual education is unjust because it detracts from the learning available to the majority of students. C. Bilingual education threatens our national identity. D. Bilingual education adds another level of bureaucracy and administration in the schools.