The following regression model Y = β₀ + β₁x₁ + β₂ + ε is known as a A) simple first-order model with one predictor variable. B) second-order model with two predictor variables. C) second-order model with one predictor variable. D) simple first-order model with two predictor variables.

Question

Quizplus · Accepted Answer

The model is a second-order model as it includes a quadratic term (S1U1B11S1U1B0xS1U1B11S1U1B0) and a linear term (S1U1B10S1U1B0) for the predictor variable (S1U1B0). However, it only has one predictor variable, S1U1B0, making it a second-order model with one predictor variable.

The Following Regression Model ​

The Following Regression Model