Multiple Choice
A regression analysis between sales (y in $1000) and advertising (x in dollars) resulted in the following equation: 
= 30,000 + 5x
The above equation implies that an
A) increase of $4 in advertising is associated with an increase of $5000 in sales.
B) increase of $1 in advertising is associated with an increase of $5 in sales.
C) increase of $1 in advertising is associated with an increase of $34,000 in sales.
D) increase of $1 in advertising is associated with an increase of $5000 in sales.
Correct Answer:
Verified
Correct Answer:
Verified
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