In the quadratic regression model if the term ₂ is ______ zero,then the parabola opens __________. A)Less than,upward B)Greater than,upward C)Greater than,either upward or downward D)Less than,either upward or downward E)Equal to,downward

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The Answer of In the quadratic regression model if the term ₂ is ______ zero,then the parabola opens __________. A)Less than,upward B)Greater than,upward C)Greater than,either upward or downward D)Less than,either upward or downward E)Equal to,downward

In the Quadratic Regression Model If the Term