Question

Alex wants to find the average price of a gallon of milk at grocery stores in his town.

Which method of gathering data will most likely provide a representative sample?

Alex gets prices from an online listing of major grocery stores that are in the state.

Alex gets prices from an online listing of 8 grocery stores located around his town.

Alex visits the two grocery stores closest to his house and records the price of a gallon of milk at each store.

Alex records the price of a gallon of milk at the grocery store closest to his house each day for one month.

Answer 1

The second one, where he gets 8 samples, is right

Answer 2

Alex wants to find the average price of a gallon of milk at grocery stores in his town. Which method of gathering data will most likely provide a representative sample?

Alex gets prices from an online listing of 8 grocery stores located around his town.

This is the best way to get an average price.