To test the hypothesis that Europeans were less likely to settle
in colonies where they were vulnerable to tropical diseases, one could compare:
a. the number of European settlers in India and Haiti.
b. the number of European settlers in Canada and Haiti.
c. European settlers as a percentage of the total population in colonies that were very similar except for presence or absence of deadly tropical diseases.
d. European settlers as a percentage of the total population in colonies that had different kinds of tropical diseases.
Answer: c
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Answer the following statement(s) true (T) or false (F)
1. The purpose of a cross-tabulation is to explain how the dependent variable affects the independent variable. 2. Because a hypothesis is a comparative statement it always requires a comparison of the values of the dependent variable across the values of the independent variable. 3. A researcher studying the effect of age on attitudes about same-sex marriage finds that as age increases support for same-sex marriage decreases. This is an example of a direct relationship. True or false? 4. The law of diminishing returns is an example of a linear relationship between effort and return on the effort. True or false? 5. A linear relationship between two variables may be either positive or negative. True or false?
There have been __________ in U.S. history.
A. no declared wars B. 47 declared wars C. no undeclared wars D. over 125 undeclared wars E. slightly less than 50 undeclared wars
In United States v. O'Brien, the protestor who burned his draft card was not covered by the First Amendment because the action
a. incited others to act in a manner that would cause a public safety issue. b. was slanderous to the draft board. c. destroyed an official record, which represented a compelling governmental interest. d. destroyed an official record, which created a national security risk.
Which of the following provide(s) the largest share of tax revenue in the FY 2017 budget?
A. social insurance receipts B. individual income tax C. excise taxes D. estate and gift taxes E. corporate tax