U8.04

Representing Missing Data

Cards in this group · 3

  1. U8.04.1No data and the value is zero are two completely different facts a chart must not blur together
  2. U8.04.2A line drawn straight through a missing data point quietly invents a trend that was never measured
  3. U8.04.3A conclusion built on 40% complete data deserves far less trust than one built on 99%, but readers can't tell