The Fifteenth Amendment to the Constitution
A. abolished slavery.
B. abolished the "black codes."
C. abolished Jim Crow practices.
D. extended suffrage to African Americans.
D. extended suffrage to African Americans.
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A local newspaper reports that young women in your town (i.e., a known population) sleep an average of only 5 hours per night. However, you think that women in your town who are enrolled at your college sleep more than that
You randomly select 200 women from your college and ask them to accurately record their hours of sleep. You find that they sleep an average of 7 hours per night. What test would you use to determine whether this mean difference is statistically meaningful? A) ANOVA B) t test for dependent means C) t test for a single sample D) regression
Experiments are used to understand the cause-and-effect relationship among variables
a. true b. false
Durkheim describes the forced division of labor as
a. a primary aspect of small, tribal societies held together through organic solidarity b. an over-specialization of tasks leading to the isolation of individuals and to the disintegration of society c. an inherent feature of capitalism d. a profane existence
According to Census Bureau data, about what percentage of married women with children worked outside the home in 2005?
A. 60% B. 70% C. 80% D. 90%