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List A consists of at least two different values and contains only positive multiples of 30. Which of the following CANNOT be true?
I. The range of list A is twice as big as the median of list A.
II. The variance of list A is less than the standard deviation of list A.
III. The median of list A is the square of an integer but not an element in list A.
(A) None
(B) I only
(C) II only
(D) III only
(E) II and III only
Answer: A
Source: Manhattan GMAT
I. The range of list A is twice as big as the median of list A.
II. The variance of list A is less than the standard deviation of list A.
III. The median of list A is the square of an integer but not an element in list A.
(A) None
(B) I only
(C) II only
(D) III only
(E) II and III only
Answer: A
Source: Manhattan GMAT
