Multiple Choice
Regression analysis was applied between demand for a product (y) and the price of the product (x) , and the following estimated regression equation was obtained. 
= 120 - 10x
Based on the above estimated regression equation, if price is increased by 3units, then demand is expected to
A) increase by 120 units.
B) decrease by 100 units.
C) increase by 30 units.
D) decease by 30 units.
Correct Answer:
Verified
Correct Answer:
Verified
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