What is the variance of the following data? if necessary, round your answer to two decimal places.12, 13, 8, 13, 9, 11, 12, 9, 11

To find the variance, 1. Find the arithmetic mean (average) 2. Find the distance of each number from the mean (x-the mean=?) 3. Square each number 4. Add up all of the squares 5. Divide the final sum by the original mean. 

Ithink ghe answer to this question is b just trying to others

Just a second zzz