In 2014, the crude birth rate in the United States was a little over __________, compared with an all-time high rate of 27.0 per 1,000 in 1947 (following World War II)
a. 5 per 1,000
b. 10 per 1,000
c. 13 per 1,000
d. 18 per 1,000
c
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Since the 1950s, the number of people locked away in mental institutions has __________
A) increased B) decreased C) remained the same D) been impossible to track
In a one-way Analysis of Variance with three groups, the null hypothesis states:
a.µ1 > µ2 and µ3 b. at least two of the groups differ. c. µ1=µ2=µ3 d. all of the means differ. What will be an ideal response?
Which one of the following statements is correct?
A. Most elderly men and most elderly women live alone. B. Most elderly men live alone; most elderly women live with a husband. C. Seventy-two percent of elderly men live with a wife; just 46 percent of elderly women live with a husband. D. Eighty percent of both elderly men and elderly women live with a spouse.
The scientific study of population is known as
A. geography. B. anthropology. C. demography. D. geology.