Comment by happy3483t583

Gateway drug: Everyone's favorite old-school t-test, brought into the modern world: https://www.sumsar.net/best_online/

Here's the story of the tool: https://jkkweb.sitehost.iu.edu/articles/Kruschke2013JEPG.pdf

(Kruschke's books and papers are a terrific resource for learning real-world applied stats)