When data combines several different levels, such as scores for students according to school-level variables, this is referred to as _____ data.

An electoral process that provides voters with the opportunity to remove an elected official before the end of his or her term is called a/an ________

A. initiative B. referendum C. convention D. recall

In 2013, the median pay for a CEO averaged ________ million dollars

a. 11.7 c. 25 b. 17 d. 15