Why Not to Trust Statistics: Variance
Disastrous results are excused as 'a lot of variance', but the spread is one outlier among uniformly terrible results.


Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-07-13-why-not-to-trust-statistics--variance/ (CC BY-NC 4.0)Transcript
Variance: "These results are a disaster!" "Sure, they look bad, but there's a lot of variance! Don't rush to judgment."
[Distribution: almost everything at "terrible results," one "outlier" at "great results"]