A Polynomial Regression Model Is Specified As:
A)Y_i = ?₀ $\begin{array} { l } 2 \\i\end{array}$

question 21

Multiple Choice

A polynomial regression model is specified as:

• A)Y_i = ?₀ + ?₁X_i + ?₂X \(\begin{array} { l }
• 2 \\
• i
• \end{array}\) + ??? + ?_rX \(\begin{array} { l }
• r\\
• i
• \end{array}\) + u_i.
• B)Y_i = ?₀ + ?₁X_i + ? \(\begin{array} { l }
• 2 \\
• 1
• \end{array}\) X_i + ??? + ? \(\begin{array} { l }
• r \\
• 1
• \end{array}\) X_i + u_i.
• C)Y_i = ?₀ + ?₁X_i + ?₂Y \(\begin{array} { l }
• 2 \\
• i
• \end{array}\) + ??? + ?_rY \(\begin{array} { l }
• r \\
• i
• \end{array}\) + u_i.
• D)Y_i = ?₀ + ?₁X_1i + ?₂X₂ + ?₃ (X_1i × X_2i)+ u_i.

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