Note the calculation of the edge density as follows:
The first question: not independent, not related, orthogonal
The first question: independent, uncorrelated, orthogonal
The first question: independent, uncorrelated, non-orthogonal
Note the calculation of the edge density as follows:
The first question: not independent, not related, orthogonal
The first question: independent, uncorrelated, orthogonal
The first question: independent, uncorrelated, non-orthogonal