Question

Ben believes that most of the automobiles in his neighborhood are SUVs. He does a house-to-house survey of parked cars. He surveys 45 cars and only 8 of the cars he finds are SUVs. Yet fully 50% of the town’s automobiles are SUVs. What is the MOST LIKELY explanation for these two facts?

A) Ben’s sample was not representative of the entire town.
B) SUVs are sometimes hard to distinguish from non-SUVs and Ben made errors. C) Most of the SUVs were on the road, and less popular models were left at home.
D) Ben only looked at parked cars instead of asking residents what kind of car they drive.

Answer 1

A) Ben’s sample was not representative of the entire town.