Suppose there are 5 students in a room. The mean age is 19.4 years, and the median age is 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median? The median increases, and the mean either increases or stays the same. The mean increases, and the median either increases or stays the same. The mean increases, and the median stays the same. The mean and median increase. The mean increases, but it is impossible to determine whether the median increases, decreases, or stays the same