A restaurant chain’s 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.

Question

anonymous · Answer

It's bias because they should interview the whole town!

anonymous · Answer

another one

anonymous · Answer

A restaurant chain’s owners are trying to decide if they want to open up a franchise in your town. To help them decide, they conduct a telephone survey of people in your town. One of the survey questions is “Do you prefer Thai food or Chinese food?” Is the question biased? Explain.