Box Plot

The classic chart of quartiles, median, minimum, and maximum shows a basic view of distributions.

Tutorials and Guides


Age and Occupation

Whether it’s because of experience, physical ability, or education level, some jobs tend towards a certain age of worker more than others.

What the Sexes Want, in Speed Dating

A few years ago I downloaded speed dating data from experiments conducted by…

Olympian age distributions compared

Last week, the Washington Post compared the ages of Olympians, but it only…