While its not averages, it is nonetheless interesting view of misleading statistical analysis: https://www.trevorbragdon.com/when-data-gives-the-wrong-solution/

While its not averages, it is nonetheless interesting view of misleading statistical analysis: https://www.trevorbragdon.com/when-data-gives-the-wrong-solution/ https://www.trevorbragdon.com/when-data-gives-the-wrong-solu... about WW2 airplane design.