A shoe store developed the following estimated regression equation relating sales to inventory investment and advertising expenditures. ŷ=25 10 x1 8 x2 where x1 = inventory investment ( 1000 s) x2 = advertising expenditures ( 1000 s) y = sales ( 1000 s) a. Predict the sales resulting from a 15,000 investment in inventory and an advertising budget of 10,000 . b. Interpret b1 and b2 in this estimated regression equation. | Numerade
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