[ RadSafe ] lognormal distribution of indoor radon measurements

[John Andrews]

Catherine Organo wrote:

>Would anybody on this list know or have a guess at the following question:
>
>Assuming they are in place, would radon protective measures in newly built homes (barrier and activated sump) have an influence on the 'usually' log-normal distribution of indoor measurements?
>
>Regards
>
>Catherine
>
>Catherine Organo
>Scientific Officer
>Natural Radioactivity Section
>Radiological Protection Institute of Ireland
>
>  
>
In my opinion, it would change the geometric mean, but not the 
underlying distribution.  Most natural phenomena have a log normal 
distribution.  Only those few that depend on binary random processes, 
like flipping a coin, have normal distributions.

John Andrews,