Statistical Properties of Least Squares Estimators

[@IlyaLotarev]

thank you so much for the video! question: at 8:03, why do we raise se to the power of 2, if se is already squared in the calculations (sigma squared = SSE/n-p)? thank you!

[@ditya3548]

cool use of excel!! thank u so much

[@massivepp6969]

This is amazing thanks

[@chunhochan7174]

May I know what are the remaining elements in the matrix other than the diagonal? i.e. C01, C02, etc. Thanks.