[ROOT] Mean and variance

From: Jyothsna Rani (jyothsna@d0cha.fnal.gov)
Date: Wed Aug 22 2001 - 05:21:27 MEST 

Hi,

I would like to know whether I can get mean and variance of a histogram in
my macro. I know how to get the no. of entries for a histogram.

Is there a way to get the above values? What should I write down in macro
in order to get these values?

Thanks,
Jyothsna

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