One of the striking things about statistics as a discipline is how new it is. The standard deviation was introduced in 1892. The t-distribution was published in 1908. The term “central tendency” dates from the late 1920s. The randomized controlled…
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Why we have Extra Life today.
In the 1850s, upper royalty in England were living almost 70% longer than commoners. This graph shows average life expectancy for “ducal” families. These were the highest nobility, the dukes, who ranked just below the King’s nuclear family in the…
When is the middle of winter according to heating degree days? January 18.
I mostly heat by burning firewood and my wood pile has shrunken quite seriously already this year. I was wondering when the middle of the winter is from an HVAC perspective and I was surprised that I couldn’t find the…
Posted in statistics
Medianism 