Question: On the assumption that ???????? = 0 for ???? > 2, obtain the following: (a) Approximate standard errors for ????1, ????2, and ????????,???? > 2.

On the assumption that ???????? = 0 for ???? > 2, obtain the following:

(a) Approximate standard errors for ????1, ????2, and ????????,???? > 2.

(b) The approximate correlation between ????4 and ????5.

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