Regression analysis was applied between sales (in $1000) and advertising (in $100) and the following regression function was obtained. y = 500 + 4x 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.
b
Business
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