Writing
The Blog
Notes on statistics, finance, and everything I pick up along the way. Written to make the ideas stick and, hopefully, to make you smile.
Statistics
StatisticsJul 23, 20263 min read
Every Dataset Needs Two Averages, Not One
Congratulations, you've just invented variance because everyone kept lying to you
The average is one tidy little number that's supposed to speak for a whole group. That's exactly how it keeps getting away with lying to you.
Read the postStatisticsJul 28, 20265 min read
Why You Should Be MAD at Standard Deviation
Three ways to measure spread, a century-old grudge match, and why the messy real world keeps voting for the underdog
Standard deviation squares your distances only to square-root them right back. Here is why that scenic route won, and why outliers keep making the case for MAD.
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