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Econ 253 August 25, 2020 duration 1 hour 2 minutes Econ 253 August 25, 2020 Econ 253 August 25, 2020	Econ 253 August 25, 2020 econ25303 beta hat sample bar sum model validity bit summation side thing slope hand estimator population expression equation math weight relationship From Susan Averett 6 plays 0
OLS derivation of slope coefficient duration 10 minutes 0 seconds OLS derivation of slope coefficient OLS derivation of slope coefficient	OLS derivation of slope coefficient econ 253 hat beta sum bar minus expression i. summation equation form hats operator residuals formulas whoops respect thing denominator moodle notes From Susan Averett 2 plays 0