Question

What is the Formula For Standard Deviation

Answer 1

The standard deviation formula is $\sigma=\sqrt{\frac{1}{n-1}\sum (X_{i}-\bar x)^{2}}$.

Step-by-step explanation:

The standard deviation is used to measure the variability in a data set.

The formula to compute standard deviation is:

$\sigma=\sqrt{\frac{1}{n-1}\sum (X_{i}-\bar x)^{2}}$