I was thinking I would look at the correlation between the number of sodas one drinks a day to the number of cavities they have for fifteen people I work with. I am planning on gathering the information from asking 15 people I work with by asking them on average how many sodas they drink a day, and then how many cavities they have. I expect that the people that drink more soda a day will have more cavities than those that drink barely any soda.