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Econ 253 zoom recording 9/17/2020 duration 1 hour 15 minutes Econ 253 zoom recording 9/17/2020 Econ 253 zoom recording 9/17/2020	Econ 253 zoom recording 9/17/2020 econ25303 beta variance variables things error thing alright sum hat model multicollinearity measurement regression distribution chat denominator question age class coefficient From Susan Averett 3 plays 0
Econ 253 September 1 2020 duration 36 minutes 59 seconds Econ 253 September 1 2020 Econ 253 September 1 2020	Econ 253 September 1 2020 econ25303 beta hat relationship variance test chat distribution hypothesis model class act statistic ssr return formula stat times denominator bathrooms error From Susan Averett 3 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