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A Regression Model Between Sales (Y in $1000), Unit Price

Question 101

Multiple Choice

A regression model between sales (y in $1000) , unit price (x1 in dollars) , and television advertisement (x2 in dollars) resulted in the following function: ​ A regression model between sales (y in $1000) , unit price (x<sub>1</sub> in dollars) , and television advertisement (x<sub>2</sub> in dollars) resulted in the following function: ​ = 8 - 4x<sub>1</sub> + 5x<sub>2</sub> ​ For this model, SSR = 3500, SSE = 1500, and the sample size is 20.The coefficient of x<sub>2 </sub>indicates that if television advertisement is increased by $1 (holding the unit price constant) , sales are expected to A) increase by $5. B) increase by $20,000. C) increase by $5000. D) decrease by $4000. = 8 - 4x1 + 5x2
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For this model, SSR = 3500, SSE = 1500, and the sample size is 20.The coefficient of x2 indicates that if television advertisement is increased by $1 (holding the unit price constant) , sales are expected to


A) increase by $5.
B) increase by $20,000.
C) increase by $5000.
D) decrease by $4000.

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