“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
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These are the top 250 products that people injure themselves on or with in a year.
Age of Moms When Kids are Born
It’s a wide range, based on data from the National Center for Health Statistics.
Least Preferred Sandwich
Which sandwich do people not like the most? The winner: the Cheese and Tomato, if that even counts as an actual sandwich.