If X2 Is a Binary Predictor in Y = β0

Multiple Choice

If X2 is a binary predictor in Y = β0 + β1X1 + β2X2,then which statement is most nearly correct?

A) X2 = 1 should represent the most desirable condition.
B) X2 would be a significant predictor if β2 = 423.72.
C) X2 = 0,X2 = 1,X2 = 2 would be appropriate if three categories exist.
D) X2 will shift the estimated equation either by 0 units or by β2 units.