Question

Marie wants to know the most popular car for parents. She plans to survey the people shopping at the used car lot from 10 AM to 11 PM. Which statement below best reflects Marie’s plan?

A) Marie’s sample is valid
B) Marie should also survey people entering the grocery stores.
C) Marie’s sample is biased
D) Marie should make sure she surveys both men and women.

Answer 1

This is biased.

Explanation:

A used car lot tends to have cheaper cars, so people who can't afford brand new cars come here to buy used cars.