Answer
Individuals: Alabama, Colorado, Indiana, North Carolina, Wisconsin
Variables: minimum age for driver’s license (unrestricted), mandatory belt use seating positions, maximum allowable speed limit on rural interstates in 2011
Data for minimum age for driver’s license: 17, 17, 18, 16, 18
Data for mandatory belt use seating positions: front, front, all, all, all
Data for maximum allowable speed limit on rural interstates in 2011: 70, 75, 70, 70, 65 (mph)
Variable minimum age for driver’s license: Continuous
Variable mandatory belt use seating positions: Qualitative
Variable maximum allowable speed limit on rural interstates in 2011: Continuous.
Work Step by Step
Individuals are the objects under study.
Variables are the characteristics of the individuals, which can be quantitative, qualitative, discrete or continuous.
Data is the record of each variable.