Regression analysis was applied between sales (in $1000) and advertising (in $100) and the following regression function was obtained.
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= 500 + 4x
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Based on the above estimated regression line, if advertising is $10,000, then the point estimate for sales (in dollars) is
A. $900.
B. $900,000.
C. $40,500.
D. $505,000.
Answer: B
Business
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