“Type I” and “Type II” errors, names first given by Jerzy Neyman and Egon Pearson to describe rejecting a null hypothesis when it’s true and accepting one when it’s not, are too vague for stat newcomers (and in general). This is better. [via]
Type I and II errors simplified
This is an American Workday, By Occupation
I simulated a day for employed Americans to see when and where they work.
How We Spend Our Money, a Breakdown
We know spending changes when you have more money. Here’s by how much.