Which of the Following Regression Models Is Not Polynomial

question 5

Multiple Choice

Which of the following regression models is not polynomial?

• A) y = β₀ + β₁x + ε
• B) y = β₀ + β₁x + β₂ x² + ε
• C) y = β₀ + β₁ x^-1 + ε
• D) y = β₀ + β₁x + β₂x² + β₃x³ +ε

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Definitions:

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