CFA Practice Question

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CFA Practice Question

The standard deviation of a group of scores is 10. If 5 were subtracted from each score, the standard deviation of the new scores would be ______.

A. 2
B. 5
C. 10
Correct Answer: C

User Contributed Comments 2

User Comment
cbb1 If all scores are reduced by 5, the median number would be lower by 5, but the degree of variability measured by standard deviation is unchanged.
chipster thx!!
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