Question: Theory & derivations (30 pts) Show key steps; keep derivations concise (Chs.2-3). No inference. (Q2.a) SLR normal equations & coefficients (10 pts). For yi =

Theory & derivations (30 pts) Show key steps; keep derivations concise (Chs.2-3). No inference. (Q2.a) SLR normal equations & coefficients (10 pts). For yi = 0 + 1xi + ui with intercept, derive

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