Which of the following is a quadratic regression equation? A) y = β₀ + ε B) y = β₀ + β₁x + ε C) y = β₀ + β₁x +β₂x²+ ε D) y = β₀ + β₁x + β₂x² + β₃x³ + ε

Question

Quizplus · Accepted Answer

A quadratic regression equation includes a squared term of the independent variable. Choice C has a term with $x^2$ (indicated by the superscript 2), making it a quadratic equation.

Which of the Following Is a Quadratic Regression Equation