How can one calculate the standard scores of the coefficient estimates given $(X'X)^{-1}, X'y$ and $\widehat{u'}\widehat{u}$.
Where $(X'X)^{-1}$ is a $n \times n$ matrix, $X'y$ is a $n \times 1$ matrix, and $\widehat{u'}\widehat{u}$ is a scalar.
How can one calculate the standard scores of the coefficient estimates given $(X'X)^{-1}, X'y$ and $\widehat{u'}\widehat{u}$.
Where $(X'X)^{-1}$ is a $n \times n$ matrix, $X'y$ is a $n \times 1$ matrix, and $\widehat{u'}\widehat{u}$ is a scalar.