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How to work out the mean (length, weight or whatever the graph is contructed to show) of a histogram?

 Apr 22, 2018
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If the centre values of the histogram bars are xi and the heights of the histogram are hi, then assuming the widths are all the same:

 

\(x_{ave}=\Sigma_ix_ih_i/\Sigma_ih_i\)

.
 Apr 23, 2018
edited by Alan  Apr 23, 2018

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