# What is the variance of the following numbers?: {3,5,2,2,4,7,8,5,7,12,6,4,}

##### 1 Answer

Oct 27, 2015

#### Explanation:

#barx= 65/12 = 5.4167#

#V (X) =(sum x^2) / n - barx^2#

#= 441/12 - (65/12)^2 = 1067/144 = 7.4097#