Elena went to a store where you can scoop your own
popcorn and buy as much as
you want. She bought
8 ounces of spicy popcorn for
$3.50.
How much does popcorn cost
per ounce?
How much popcorn can you
buy per dollar?

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample