Least Square Estimators - Unbiased Proof

Описание к видео Least Square Estimators - Unbiased Proof

The Simple Linear Regression Least Squared Estimators, b0 and b1, are unbiased. In this video I show the proof.

What does it mean for X to not be random? I discuss this more in this video:    • Why is X non-random in Linear Regress...  

Near minute 4, I mention that Sum(xi - xbar) = 0, here is a video showing this:    • Proof that the Sum of (xi - xbar) = 0  

Near minute 8, I mention that Sum (xi - xbar)xi = Sum (xi - xbar) * (xi - xbar) = Sxx, here is a video showing this:    • Proof that the Sum (xi - xbar)xi = Su...  

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