Answer:
first, there have to be two users who answered your question then on the bottom of the user answer there's a crown click on it
I would choose answer 2, since that answer is based on a same size consisting of more than 1 person, making it applicable to statistic analysis and have an input in the observational study. The other questions ask for one data point, which isn't statistical
Source: AP Statistics
I agree driving should be age 18