What is the variance of {-4, 2, 3, 4, -15, 7, -8, -12}?

Jan 23, 2016

You can figure it out by following couple steps.

Explanation:

First step: Find the mean of your numbers

Take all the numbers and subtract the mean from each.

Then you can squared each number.

Fourth step: you then add all the numbers together.

Final step: divided the step four with the number you added minus 1.