Important! Please answer! A new breath mint has a 30-minute infomercial. The company claims its mint lasts longer than the most popular mint. "In our research lab, we interviewed 10 of our happy customers. We asked them how much longer our mint lasted than others they have tried. On average, they estimated that our mint freshened breath 50% longer than other mints."

There are several issues with this research. Identify its weaknesses, and explain how you would redesign the study to fix those problems.