Between 1900 and 2050 the over-65 population in the United States is expected to grow from
about
A) 3 million to almost 40 million B) 1 million to almost 30 million
C) 3 million to almost 90 million D) 1 million to almost 1 billion
C
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Which of these is a common ecofact found at archaeological sites?
A) broken pottery B) human skeletons C) pollen D) tools
Suppose you want to display data from a large survey for a variable with many different scores that range from zero to 100 . Which of the following would best facilitate and simplify the interpretation of the data?
a. Display the spreadsheet of raw data. b. Present an absolute frequency distribution. c. Present an ungrouped relative frequency distribution. d. Present a grouped frequency distribution.
Answer the following statement(s) true (T) or false (F)
Adolescents from low-income families who experience disaster are more likely to be absent, suspended, or expelled.
Individuals with Turner syndrome
A) tend to be "tomboyish" girls. B) exhibit a stereotypical femininity in their behavior and personalities. C) have a confused gender identity owing to the lack of a second chromosome. D) tend to be overly aggressive.