Statistical standard variance is the degree of spread among data surrounding the mean

Why is participation in the census so important?

a. participation indicates the legitimacy of government and of laws passed by Congress b. changes in the U.S. population affect membership in political parties c. information the census collects helps to determine how more than $400 billion in federal funding is spent each year d. information from the census determines tax rates

According to research by Kimmel (1991), IRB decisions seem to be partially dependent on

a. the size of the university (larger universities tend to have lower approval rates). b. gender (male reviewers are more likely to approve studies). c. time of day (more studies are approved in the morning). d. age (younger reviewers tend to be more lenient).