The Great Rounding Controversy of 1941
1941: a batting average of .3996, just shy of .400. Two men argue over whether to round it up, one defending arbitrary thresholds, the other calling truncation un-American.
Transcript
[Title] "THE GREAT ROUNDING CONTROVERSY OF 1941" [Two men in 1940s hats argue] "0.3996 is not 0.400, cad! You insult the very idea of an arbitrary threshold!" "0.3996 is not 0.399, cretin. This un-American absurdity plays right into Hitler's hands."
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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/2018-09-18-the-great-rounding-controversy-of-1941/ (CC BY-NC 4.0)