Problem Solving

Set \(A: \{1, 3, 5, 7, 9\}\)
Set \(B: \{6, 8, 10, 12, 14\}\)

For the sets of numbers above, which of the following is true?
I. The mean of Set \(B\) is greater than the mean of Set \(A.\)
II. The median of Set \(B\) is greater than the median of Set \(A.\)
III. The standard deviation of Set \(B\) is greater than the standard deviation of Set \(A.\)

(A) I only
(B) I and II only
(C) I and III only
(D) II and III only
(E) I, II, and III

[spoiler]OA=B[/spoiler]

Source: Manhattan GMAT