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Adding lognormal distributions

 
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Jun3-05, 12:30 PM   #1
 

Adding lognormal distributions


Does anybody know of a compact, analytical method for adding lognormal distributions?

When I tried to add the arithmetic means and arithmetic variances, the results did not match the Monte Carlo simulation. It was enough of a difference that it was not just due to Monte Carlo "noise".

Any help is certainly appreciated!
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