Question

a restaurant chains owners are trying to decide if they want to open up a franchise in your town to help them decide they want to find out how often people in your town go out to eat. A researcher interviews people leaving a local restaurant. Is there a bias in this sampling method? Explain.

Answer 1

It's biased, they are only sampling people who are eating out at the time. It leaves out those not currently at the restaurant.

Explanation: