In the model y = ?0 + ?1x + ?2d + ?3xd + ?, when d changes from 0 to 1 how does the intercept of the corresponding lines change?
A. From b0 to b0 + b2
B. From b0 to b0 + b3
C. From b0 to b0 + b1 + b2
D. From b0 to b0 + b1
Answer: A
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