The busing of students to racially balance schools is required by the Supreme Court even if no present or past governmental action contributed to the segregation

Who nominates U.S. federal judges?

a. the president b. the solicitor general c. the chief justice of the Supreme Court d. the Senate majority leader

A local health department conducted a survey by calling household telephones in order to ask questions related to HIV/AIDS prevention and related behaviors. The survey, however, did not call cell phones and thus missed many younger people. This problem is called

a. Volunteer bias b. Coverage bias c. Sampling variability d. Sampling error