500
The mayor of a town wants to find out how many people voted for her. She doesn't want to ask the whole town, only a representative sample. She should:
A - Survey only the women who voted for her
B - Survey voters of multiple ages, ethnicities, and genders
C - Survey only her friends and family
D - Forget it, survey the entire town anyways
What is B - Survey voters of multiple ages, ethnicities, and genders