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Experimental design, data analysis, and statistical tooling for modern teams. No hype, just the math.

Shapiro-Wilk Test: The Standard Normality Check (and Its Limits)
AssumptionsJan 29New

Shapiro-Wilk Test: The Standard Normality Check (and Its Limits)

A practical guide to the Shapiro-Wilk test for checking normality. Learn when it helps, when it misleads, and why visual diagnostics often matter more than p-values.

Normality Tests Are Overrated: Better Diagnostics and Thresholds
AssumptionsJan 26New

Normality Tests Are Overrated: Better Diagnostics and Thresholds

Why formal normality tests like Shapiro-Wilk are problematic and what to use instead. Learn practical thresholds for when non-normality actually matters.