U8.06

Detail Obscured by Aggregation and Granularity

Cards in this group · 3

  1. U8.06.1A company-wide average can hide two subgroups moving in completely opposite directions
  2. U8.06.2Where the bin edges fall when grouping a continuous variable can flip a chart's whole conclusion
  3. U8.06.3An aggregate view with no path down to raw records leaves readers unable to verify the conclusion