Kizspy | Question: 7
(Choose 1 answer)
A researcher fits a polynomial regression model to predict the price of a house based on its size. If the
equation of the regression line obtained is:
Price 100000+5000xSize-100×Size^2
what does the coefficient of
Size^2(-100) indicate?
A. The effect of size on price is negative.
B. The effect of size on price is positive.
C. The effect of size on price is linear.
D. The effect of size on price is non-linear.
