If the Data Are Available on the Response Variable Y

Multiple Choice

If the data are available on the response variable y and the explanatory variable x,and the fit of the quadratic regression model y = β₀ + β₁x + β₂x² + ε is to be tested,standard linear regression can be applied on ________.

A) y and x
B) y,x,and x²
C) y,xy,and x²
D) y,y²,and x²