In Doug's Judo class, the median age is 27. The
youngest member is 19. Which of the
following must be true?
I. The oldest member is 46.
II. The mean age is at least 27.
III. The oldest member is at least 9 years
older than the youngest member.
(A)
None
(B)
I only
(C)
II only
(R) III only