When estimating the variance of a population from the sample, you cannot use the sample's variance directly because:
A) it is based on using absolute deviations
B) it is based on using squared deviations
C) it tends to be slightly too large
D) it tends to be slightly too small
D
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As workers in the United States and other industrialized nations organize to deal with occupational safety issues, there is more incentive for industries to __________
a. fabricate safety policies b. evade federal regulations c. locate in low-wage regions of the world d. go deeper in debt e. become multinational corporations
According to the U.S. Census 2000, Latinos comprise ________ of the total U.S. population
A) 9.3 percent B) 12.5 percent C) 37 percent D) 56.3 percent
In 2008, what percent of the population (over age 5) spoke a language other than English at home?
A) almost 10% B) almost 20% C) almost 15% D) almost 25%
What stage of the research design is the researcher dealing with when he or she is facing the question "from whom or what information would be gathered"?
a. Purposes of research b. Units of analysis c. Topics for research d. Time dimension e. Motivations for research