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