seniorLinear Regression
What is the Gauss-Markov theorem?
Updated May 16, 2026
Short answer
It states that OLS estimators are the Best Linear Unbiased Estimators (BLUE).
Deep explanation
Under assumptions like linearity, independence, and homoscedasticity, Ordinary Least Squares provides estimators with minimum variance among all linear unbiased estimators. It does not require normality.
Unlock with a Pro subscription to view this section.
View pricingReal-world example
No real-world example available yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProCommon mistakes
No common mistakes listed yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProFollow-up questions
No follow-up questions available yet.
Unlock with a Pro subscription to view this section.
Upgrade to Pro