It is 12.
Chat with our AI personalities
The standard deviation is defined as the square root of the variance, so the variance is the same as the squared standard deviation.
Square the standard deviation to obtain the variance. The variance is 62 or 36.
Standard deviation is the square root of the variance; so if the variance is 64, the std dev is 8.
The square of the standard deviation is called the variance. That is because the standard deviation is defined as the square root of the variance.
The standard deviation is the square root of the variance.