deletions | additions       diff --git a/Estimating overdispersion parameters.tex b/Estimating overdispersion parameters.tex  index 78bfb28..b96265c 100644  --- a/Estimating overdispersion parameters.tex  +++ b/Estimating overdispersion parameters.tex 
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\[  Var=\mu*\frac{\sigma + n + \mu}{\frac{n\sigma}{n+\mu}-1}  \]