In the Quadratic Regression Model Y = $\beta$ ₀ $\beta$ ₁x

question 25

Multiple Choice

In the quadratic regression model y = $\beta$ ₀ + $\beta$ ₁x + $\beta$ ₂x² + $\varepsilon$ ,if the value of the term $\beta$ ₁ increases,then the parabola shifts _________.

• A)Left
• B)Right
• C)Up
• D)Down

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