In each situation, indicate whether the method of data collection is biased.
-A professor asks her class of first year students if any of them consumed alcohol over the weekend.
A) Biased
B) Not biased

Question

Quizplus · Accepted Answer

This sample is likely biased. First year students would tend to be under the age of 21, and thus it would be illegal for them to be consuming alcohol. They might not want to truthfully tell their professor about engaging in an illegal behavior.

In Each Situation, Indicate Whether the Method of Data Collection