A science teacher is bothered because of all the noise outside of his classroom each day. He decides to see where the noise is coming from and finds that several groups of freshman students use the water fountain located by the door to his classroom. There are three other water stations on campus, and after studying the frequency at which students visit each water fountain, he becomes convinced that students prefer the water fountain by his room, rather than the other three fountains. The teacher assigns a student to be at each water fountain and count the total number of students getting water from each one. The data is as follows: water fountain