The leading cause of air pollution in LDCs is:
a. industry smokestacks
b. power plants
c. motor vehicles
d. agricultural sources
c. motor vehicles
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Sample size must be sufficiently large to
A) fill all the cells of the design with a sufficient number of participants. B) meet the standards set by the APA. C) insure the reliability of dependent measures. D) insure the reliability of independent measures.
_____ wereused in many southern states to limit the participation of African Americans in elections.
A. Statistical tests B. Emotional Intelligence tests C. Talent tests D. Literacy tests E. Aptitude tests
_____ is the symbol used to represent a population mean.
a. X b. fx c. µ d. N
The Texas House and Senate can override a governor's veto with a ________ vote.
A. two-thirds B. four-fifths C. three-fifths D. majority