If W is a negative integer and K is a positive integer, which of the following could be the standard deviation of a set {-7, -5, -3, W, 0, 1, 3, K, 7}?
I. -1.5
II. -2
III. 0  Choose the correct choice from the following answers:  A) I only  B) II only  C) III only  D) I and III only  E) None
If W is a negative integer and K is a positive integer, The answer should be (E) as S.D cannot be negative. It is only 0 if all numbers in the set are equal, which is not the case either.None
<result>E</result>
If W is a negative integer and K is a positive integer, which of the following could be the standard deviation of a set {-7, -5, -3, W, 0, 1, 3, K, 7}?
I. -1.5
II. -2
III. 0