Multiple Choice
A polynomial regression model is specified as:
A) Yi = β0 + β1Xi + β2X 
+ ∙∙∙ + βrX
+ ui.
B) Yi = β0 + β1Xi + β 
Xi + ∙∙∙ + β
Xi + ui.
C) Yi = β0 + β1Xi + β2Y 
+ ∙∙∙ + βrY
+ ui.
D) Yi = β0 + β1X1i + β2X2 + β3 (X1i × X2i) + ui.
Correct Answer:
Verified
Correct Answer:
Verified
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