In the Quadratic Regression Model $\mathrm { y } = \beta _ { 0 } + \beta _ { 1 } X _ { 1 } + \beta _ { 2 } X _ { 1 } ^ { 2 } + \varepsilon$

question 79

Multiple Choice

In the quadratic regression model $\mathrm { y } = \beta _ { 0 } + \beta _ { 1 } X _ { 1 } + \beta _ { 2 } X _ { 1 } ^ { 2 } + \varepsilon$
The ?₂ 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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