The ages of the members of four teams are summarized below. Answer the questions about them.
Team A: The mean age is 52 and the range of ages is 27.
Team B: The mean age is 49 and the range of ages is 28.
Team C: The mean age is 48 and the range of ages is 31.
Team D: The mean age is 54 and the range of ages is 33.
(a) Based on the information above, which team has the youngest members on average?
Team A
Team B
Team C
Team D
(b) Based on the information above, which team's ages have the least variability?
Team A
Team B
Team C
Team D