Question 49
Regression analysis was applied, and a significant relationship between product demand (Y) and the product price (X) was found. The following estimated regression equation was obtained:
Y = 120 + 10X
Based on the above estimated regression equation, if the price increased by 10 units, then the demand is expected to:
a) decrease by 10 units
b) decrease by 100 units
c) increase by 100 units
d) increase by 10 units
e) none of the above