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Chapter 1, Problem 1CS

BuyFindarrow_forward

Statistics: Concepts and Controver...

9th Edition
David S. Moore + 1 other
ISBN: 9781464192937

Solutions

Chapter
Section
BuyFindarrow_forward

Statistics: Concepts and Controver...

9th Edition
David S. Moore + 1 other
ISBN: 9781464192937
To determine

Whether the poll is a sample survey, a census, or an experiment.

Answer

Solution: The provided online poll is a sample survey.

Explanation

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.

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