Regression Analysis Was Applied Between Demand for a Product Y) $\hat { Y }$

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. $\hat { Y }$ = 120 - 10 X
Based on the above estimated regression equation, if price is increased by 2 units, then demand is expected to

A) increase by 120 units
B) increase by 100 units
C) increase by 20 units
D) decease by 20 units