The City Council of a Moderate Size City Wants to Gather

Multiple Choice

The city council of a moderate size city wants to gather input from the citizens of the city on the proposed expansion to the local airport. It has been decided that a stratified sampling plan would be the best way to get the desired information because opinions within the strata are likely to be similar. Which method of stratifying seems to be the most reasonable for this situation?

A) Stratify by gender.
B) Stratify by age.
C) Stratify by distance from the airport.
D) Stratify by income.