Why is it that "Unlike standard deviations variances can be added together"
T tomma New member Joined Dec 19, 2008 Messages 3 Dec 19, 2008 #1 Why is it that "Unlike standard deviations variances can be added together"
D Deleted member 4993 Guest Dec 19, 2008 #2 tomma said: Why is it that "Unlike standard deviations variances can be added together" Click to expand... What is the "mathematical" definition of variance? review at: http://en.wikipedia.org/wiki/Variance
tomma said: Why is it that "Unlike standard deviations variances can be added together" Click to expand... What is the "mathematical" definition of variance? review at: http://en.wikipedia.org/wiki/Variance
