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Question: A regression analysis between sales {Y in USD 1000} and advertising {X in dollars} resulted in the following equation = 30,000 + 4 X. This equation implies that an

[A] Increase of $1 in advertising is associated with an increase of $34,000 in sales
[B] Increase of $1 in advertising is associated with an increase of $4,000 in sales
[C] Increase of $4 in advertising is associated with an increase of $4,000 in sales
[A] Increase of $1 in advertising is associated with an increase of $4 in sales

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