Dear R user group,
   I am working with boxplots and cannot solve the following problem:

> data<-c(0,15,0,60,0,0,0,0,0,60,60,0,60,0,30,0)
> data
 [1]  0 15  0 60  0  0  0  0  0 60 60  0 60  0 30  0
> boxplot(data)


The boxplot has the first hinge and the mean-bar both at 0... Why is this
the mean is clearly >0!
Thanking you and wishing you an excellent day,
Georg.
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Georg Ehret
Johns Hopkins University
Baltimore, US

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