Which amendment suggests that an incumbent president must normally change at least once every eight years?

Gallup or Roper pollsters generally interview about ______ respondents for a nationwide sample

A) 150 B) 1,500 C) 10,500 D) 15,000 E) 150,000

Which of the following is not an example of nominal level data?

a. gender b. astrological sign c. educational degrees d. race