1. Consider the following regression model: ... Yi = Bo + Bxi1 + + BpXip + i, i = 1, . . ., n, where c are i.i.d. ~ N(0, ). (i) Give the MLE of and , where = (Bo, B,..., p)T. (ii) Derive explicitly the expressions of AIC and BIC for the above linear regression model, based on their general formulae.