A recent study showed that the average number of sticks of gum a person chews in a week is 11. A college student believes that the guys in his dormitory chew a different amount of gum in a week. He conducts a survey to test his hypothesis. Which of the following statistical tests is most appropriate for analyzing the data collected from the survey?

a) T-test
b) Chi-square test
c) ANOVA
d) Pearson correlation coefficient