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10242011  #1 
Join Date: Oct 2011
Posts: 1

Help?
What is the step by step procedure to solve for Variance(aX+bYcZ)??
Thanks 
11132011  #2 
Guest
Posts: n/a

The four steps
Step 1: Calculate the mean.
Step 2: Calculate deviations from the mean. Step 3: Squaring the deviations. Step 4: Calculate variance as average of squared deviations. 
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