"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]
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There are many exercise apps that allow you to keep track of your running, riding, and other activities. Record speed, …
Moving on from the most trendy names in US history, let’s look at the most unisex ones. Some names have …
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.
We don’t all start our work days at the same time, despite what morning rush hour might have you think.