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Aggregated material use, historic and projected to 2020
Created
: Nov 12, 2009
Published
: Oct 25, 2007
Last modified
: Nov 29, 2012 11:39 AM
The median value identifies the middle of a distribution, i.e
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50 % of data points lie below and 50 % lie above the median. The median is more useful than the average (mean) when differences between individual countries under comparison are very significant, which is the case here.
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