Question: 3. ((23.29 on textbook p.127) Consider the simple linear regression model. (20 points) (a) Show that the elements of the hat matrix, H, are H

3. ((23.29 on textbook p.127) Consider the simple linear regression model.

(20 points) (a) Show that the elements of the hat matrix, H,

3. ((23.29 on textbook p.127) Consider the simple linear regression model. (20 points) (a) Show that the elements of the hat matrix, H, are H A 3? | HI Hr L'J hj=l+Wandh ii = + n Sm n (b) Discuss the behavior of these quantities as 22,; moves farther from i: (5 points)

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