In the quadratic regression model y = $\beta$₀ + $\beta$₁x + $\beta$₂x² + $\varepsilon$,if the term $\beta$₂ is greater than zero,then the parabola opens __________. A)Up B)Down C)To the left D)To the right

Question

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If the coefficient of the quadratic term is positive, the parabola opens upwards.

In the Quadratic Regression Model Y = β\betaβ 0 β\betaβ 1x

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