Math with Bad DrawingsCartoon Archive

Why Not to Trust Statistics: Mean

July 13, 2016Original blog post

An 'average starting salary' of $80,000 turns out to be seven $30,000 salaries plus the CEO's son at $430,000.

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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--mean/ (CC BY-NC 4.0)
Transcript

Mean: "What would my starting salary be?" "I'll put it this way: our average starting salary is $80,000!"

you → $30,000; all your coworkers: $30,000 ×6; CEO's son → $430,000. Average: $80,000. [angry figure]

Topics
Statistics › Statistical LiteracyStatistics › MeanStatistics › Outliers
Level
Middle SchoolHigh SchoolAP Statistics
Themes
Money & ShoppingWork & JobsVisual Explanations