> Hi
>
> I have a simple query which I would like your help with.
>
> I have the mean and standard deviation of two variables (both normally
> distributed). I need to calculate the product of the two variables and
> produce a 95% confidence interval for the result. How do I calculate the
> standard deviation of my new variable from my original variables? (I do
> not have the original data to refer back to).
>
> Thanks in advance
>
Mark
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