In the Quadratic Regression Model Y = β₀ + β₁X₁

question 26

Multiple Choice

In the quadratic regression model y = β₀ + β₁X₁ + β₂X₁² + ε, the β₁ term represents the

• A) rate of curvature of the parabola.
• B) value of Y when X is zero.
• C) shift parameter of the parabola.
• D) y-intercept of the parabola.

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