Averages or Variation? Much of the shock-horror statistical information used by the media is based on statistical averages. Despite the often misleading preoccupation with averages, the most important statistical concept neglected by journalists and news reporters is variation. This concept is essential to modern mathematical statistics and plays a pivotal role in biological, medical, educational and industrial statistics.
So why is variation important?
summarising this information into one exemplar. ,.. "'
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