One is one … or is it?

One bag of apples, one apple, one slice of apple — which of these is one unit? Explore the basic unit of math (explained by a trip to the grocery store!) and discover the many meanings of one.

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Simpson’s Paradox

This video is about Simpson’s paradox, a statistical paradox and ecological fallacy where seemingly contradictory results are implied by a single set of data depending on how it’s grouped. The paradox can arise in medical studies, student test scores, and so on.

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