Methods library · Data and inference
Chi-square test
Also called goodness of fit
Deciding whether observed counts stray from an expected ratio by more than chance allows.
Watch How Far Can a Count Stray? · 3:03
A schematic drawn in code, narrated by an AI narrator voice (Gemini, Charon) reading narration written from the lesson's text. First made for the lesson Probability, Crosses and the Chi-Square Test.
Where it is taught
4 lessons use this method.