Proof ols estimator is unbiased

In this video we show that the Ordinary Least Squares estimator for beta 1 (the slope) is unbiased.

[paulmclean]

This is the BEST and EASIEST explanation I've found on this subject thus far. THANK YOU! much clearer!

[sionsterowzzz]

man thank god for all the guys like you out here

[hazimkhaqanrana]

Thank you very much for this very detailed explanation. It helped a lot in my studies in Econometrics

[agustinlawtaro]

I had problems understanding why the average y was null, and you explained it at 1:21. Many thanks!

[gabrielsmiley]

Damn! You're a lifesaver. You decomposed everything to my understanding. Thanks🙏

[benatchison]

THANK YOU, I HOPE YOU HAVE A GREAT YEAR

[christopherbonadio-cappiel]

this video literally carried me on one of the questions on my econometrics exam lol

[guedes_]

You made something impossible look easy. thank you!

[janak]

Hey, thanks for explaining it so well. Did I understand it correctly, that one could have another estimator of beta1 but as long as the assumption of the zero conditional mean is fulfilled at the end and a beta1 is in the sum before, the estimator will be unbiased?

[bsr]

thank you so much for explaining in details. regards

[UniverseGames]

Can you help with one thing to understand, like how we can obtain intercept and slope of B0 and B1 after shifting line l to l'?

[qwkkk]

Did not understand why (xi -x bar) is not conditional on x... Please help

[Vasundhara-tk]

Did not understand at 7:53 why we had (Xi-X) equal to just Xi?

[Crunchy]

Var of Beta not Hat possess var of Beta 1 hat .solve this problem plz?