If the variance is 846, then the standard deviation is 29.1, the square root of 846.
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Square the standard deviation and you will have the variance.
Standard deviation = square root of variance.
No. Neither the standard deviation nor the variance can ever be negative.
Standard deviation = square root of variance.
1. Standard deviation is not a measure of variance: it is the square root of the variance.2. The answer depends on better than WHAT!