Question: Exercise 10.4 (continued): Using Duncans occupational prestige data, construct the geometric representation for the regression of prestige Y on income X1 and education X2. Draw

Exercise 10.4 (continued): Using Duncan’s occupational prestige data, construct the geometric representation for the regression of prestige Y on income X1 and education X2.

Draw separate graphs for

(a) the fx(

1; x(

2g plane, showing the by( vector, B1, and B2, and

(b) the fy(; by(g plane, showing

e. Draw all vectors to scale. (Hint: Calculate the correlation between X1 and X2 to find the angle between x(

1 and x(

2.)

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