Whether the poll is a sample survey, a census, or an experiment.
Solution: The provided online poll is a sample survey.
Given: Question asked in the online poll is “Should Michigan legalize marijuana?” There are 9684 respondents among which 7906 (81.64%) said Yes, 1190(12.29%) said No, and 588 (6.07%) said decriminalize but not legalize.
Justification for correct answer:
The study is a sample survey because the response is collected from 7906 individuals, while all individuals who use the Internet are eligible subjects for the study.
Justification for incorrect answers:
The study is not a census because census data contains the information of the entire population. However, in the provided study, the responses are not collected from the entire population.
The provided study is not an experiment because no treatment is applied to the subjects of the study before collecting the data.