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OpenStudy (anonymous):
In statistics can a standard deviation be negative?
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OpenStudy (anonymous):
yes.
OpenStudy (anonymous):
the deviation it self should be a positive value. But at the same time it does express both a positive and negative direction from the mean in an interval.
OpenStudy (anonymous):
The formula fot standard deviation shows the squaer root of a quantity, and it is intended to be the positive square root. Standard deviation should be considered positive.
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