Can you easily intuit what's the average size of the bar here? Probably. Can you easily intuit what would be the length of the total size? Probably not, and if you had to you would probably intuit the average and multiply. ![[Bar Charts.png]] From [[Thinking, Fast and Slow]]: > Because [[System 1 vs System 2|System 1]] represents categories by a prototype or a set of typical exemplars, it deals well with averages but poorly with sums. This likely causes [[Scope Neglect]]. #published 2025-02-02