Company A is a microcomputer producer. The following data represents Company A’s yearly sales volume and its advertising expenditures over a period of 8 years. Sales in millions of dollars and advertising is in $10,000.
Using the method of least squares, what is the estimated regression line between sales and adverting, and the predicted sales in dollars, whth an advertising expenditure of $400K actual dollars as scaled to 40.
a. Sales=-10.4211 =.7895 Advertising: Sales $315,790
b. Advertising= 16.7143 + 1.0714 Sales: Sales $59.57 Million
c. Sales=.7895 + 10.421 Advertising: Sales $416.63 Million
d. Sales= -10.4211 + .7895 Advertising: Sales= $21.16 Million
e. None of the Above
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