Question: 1- Write Show that for the simple linear regression, the matrix form breakdown to: SII S20 2- Find the exact variance of . Show

1- Write Show that for the simple linear regression, the matrix form

1- Write Show that for the simple linear regression, the matrix form breakdown to: SII S20 2- Find the exact variance of . Show your work please. 3- For the normal linear model explain why the expression: where Gi (0, ) is equivalent to Yi x 02)

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