Analyze the most appropriate sample selection technique to gather data for testing the hypothesis. "You are the manager of the Blander Mountain store...

Analyze the most appropriate sample selection technique to gather data for testing the hypothesis.

"You are the manager of the Blander Mountain store in Frogtown, Illinois. Recently, a customer mentioned that he believed your prices for ammunition were lower than the prices of Blander's primary competitor in the hunting equipment market. You would like to be able to include that statement in a forthcoming print advertisement, so you need statistical evidence to support this assertion."