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Applied Statistics

Hypothesis testing, regression, survival analysis, and the statistical foundations that underpin rigorous data work.

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p-Values: What They Actually Mean (And What They Don't)

A p-value of 0.04 does not mean there is a 96% chance your hypothesis is correct. It does not even mean your result is important. Here is what it actually means.

Mar 20, 2026·8 min read

Applied Statistics

The Four Assumptions of Linear Regression (And What Happens When You Violate Them)

Most practitioners fit a linear regression, check the R-squared, and move on. But R-squared tells you nothing about whether the model's assumptions are met.

Feb 28, 2026·10 min read

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