Question

Question 2: Missing steps in lectures (20 pts) Prove one of the four claims below. STA 108: HW 2 UC Davis 1. SST-SSE + SSR. 2. R2 Cor2(x, y). 3. cov(βο, B1)-0 if® 0. 2 4. var(Po You may find the following notations helpful in the proof. Szr-Σί 1(m-xJZ SO,- co n1-Ec)i and c (, )/S2. If you decided to use any, you must clearly define them in your answers.

Answer 1