The following numbers are given 61, 62, 63, 61, 63, 64, 64, 60, 65, 63, 64, 65, 66, 64. The difference between their mean and median is
(A) 0.4
(B) 0.3
(C) 0.2
(D) 0.1
The correct answer is (B) 0.3