Which sample is biased?

1) interviews of random teenagers who attended a rock concert to find out which musician teens enjoy most

2) a poll randomly surveying half of the students in grade 7 to find out which seventh-grade teacher at the school is most liked

3) an online survey by a game development company taken after the game closes to find out which features of a new game players liked the most

4) a questionnaire delivered to two employees from every department of an office to find out whether employees like the new coffee machine

Question

Today, 09:26

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Answers (2)

Know the Answer?

Izabella Scott · Answer 1

1.) is the answer to the question

Gabriella Decker · Answer 2

I say it is 2, because they are surveying just 7th graders instead of making it a school wide survey