Multiple Choice
For the following regression equation
= 100 - 12x1 + 5x2 - 4x1x2,a unit increase in x1,while holding x2 constant at a value of 2,decreases the value of y on average by:
A) 90
B) 15
C) 20
D) 30
Correct Answer:

Verified
Correct Answer:
Verified
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