Which of the following South American countries defaulted on its $93 billion international debt in 2001, but later, after restructuring its economy, did make good on its debts?
a. Ecuador
b. Brazil
c. Venezuela
d. Argentina
d
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What type of groups has been created because of Ralph Nader's citizen's movement?
a. Citizens for Responsive Government Groups (CRGGs) b. Public Interest Research Groups (PIRGs) c. Citizens for Responsible Government Leagues (CRGLs) d. Public Action Leagues (PALs)
In research on the effects of noise on sleep, a researcher wonders whether disrupted sleep may be due to drinking coffee rather than to living near an airport. How would a researcher deal with the question posed in this hypothesis?
A) By testing the hypothesis like any other hypothesis. B) By asking all participants to eliminate coffee from their diet for the duration of the study. C) By using post hoc statistical controls. D) By attempting to reject the null hypothesis.
Communism is
A. a belief that advocates a close degree of cooperation between the government and labor and business groups in the formation of economic policy. B. a theory that believes in government ownership and regulation of the major means of production, that the government should regulate all sectors of the economy. C. a belief that all forms of government interfere with individual rights and should be abolished. D. an ideology that developed out of the Industrial Revolution advocating governmental concern with individuals' quality of life, includ¬ing educa¬tion, medical care, and standard of living.
In order to determine the critical value, which two pieces of information are needed?
a) mean and sample size b) degrees of freedom and level of significance c) mean and standard deviation d) degrees of freedom and variance