# What is the standard deviation of {4, 6, 3, 7, 1, 3, 7, 8, 3, 6, 2, 5}?

##### 1 Answer

Jan 22, 2016

First find the mean using the formula:

which can be written as

For you case

Now that you have the mean the standard deviation is:

I think you should practice in calculating the mean and standard deviation by finishing it yourself. Just plug the numbers.

Good luck!