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# Multiple Regression Statistics Question

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A shoe store developed the following estimated regression equation relating sales to inventory investment and advertising expenditures.
y = 25 + 10x1 + 8x2

Where
x1 = inventory investment (\$1000s)
X2 = advertising expenditures (\$1000s)
Y = sales (\$1000s)

a. Estimated 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.

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#### Solution Preview

a. Estimated sales resulting from a \$15,000 investment in inventory and an advertising budget of \$10,000.

Solution:
Let x1=15 and x2=10.
Then by the regression equation y = ...

#### Solution Summary

The expert examines multiple regression in statistics.

\$2.19