Question: If X 2 is a binarypredictor (i.e. it is a dummy variable)in Y = 0 + 1 X 1 + 2 X 2 , then

IfX2is a binarypredictor (i.e. it is a dummy variable)inY=0+1X1+2X2, then which statement is most nearly correct?

Group of answer choices

X2 would be a significant predictor if 2 = 423.72

X2 = 0, X2 = 1, X2 = 2 would be appropriate if three categories exist

X2 = 1 should represent the most desirable condition

X2 will shift the estimated value of Y either by 0 units or by 2 units

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