Daniel recorded the ages of the students in two of his classes below. Class I: 14, 15, 15, 16, 16, 16, 17, 17, 18
Class II: 13, 14, 15, 16, 16, 17, 18, 18, 19

Which statement about Class II is true?
A
The mean of Class II is smaller than Class I, and the median is larger.

B
The mean of Class II is smaller than Class I, and the median is the same.

C
The mean of Class II is larger than Class I, and the median is larger.

D
The mean of Class II is larger than Class I, and the median is the same.