5. Deriving the least squares estimators of the slope and intercept [Simple linear regression]

Derive the OLS intercept estimator, beta 1 hat and OLS slope estimator beta 2 hat, in simple linear regression model.

Ref : Gujarati, Basic Econometrics Chapter 2
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Introduction 0:00
Derivation of normal equations 0:18
Derivation of OLS estimator of intercept 7:52
Derivation of OLS estimator of slope 10:07
Simplifying the OLS estimator of intercept 19:55
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