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Set \(S\) consists of positive numbers. If \(-1\) is added as an element to set \(S,\) which of the following is impossible?
A. The mean will decrease but the median will not change.
B. The median will decrease but the mean will not change.
C. The range will increase but the median will not change.
D. The range will increase but the mean will decrease.
E. The standard deviation will increase but the mean will decrease.
Answer: B
Source: GMAT Club Tests
A. The mean will decrease but the median will not change.
B. The median will decrease but the mean will not change.
C. The range will increase but the median will not change.
D. The range will increase but the mean will decrease.
E. The standard deviation will increase but the mean will decrease.
Answer: B
Source: GMAT Club Tests
