# Calculating the standard deviation from a set of data.

Find the standard deviation. Round to one more place than the data.

20, 18, 12, 8, 7, 5, 12, 11, 9

https://brainmass.com/math/discrete-structures/calculating-the-standard-deviation-from-a-set-of-data-4719

#### Solution Summary

The standard deviation from a set of data is found.

$2.19