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Consider the sample regression equation: y = 12 + 2x 1 -6x 2 +6x 3 +2x 4 When x 1 increases 1 unit and x
Consider the sample regression equation: y = 12 + 2x1-6x2+6x3+2x4
Whenx1increases 1 unit andx2increases 2 units, whilex3andx4remain unchanged, what change would you expect in the predictedy?
Group of answer choices
Decrease by 2
Increase by 2
Decrease by 10
No change in the predicted y
Increase by 10
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