The graph of the model $\tilde { y } _ { i } = \beta _ { 0 } + \beta _ { 1 } x _ { i } + \beta _ { 2 } x _ { i } ^ { 2 }$ is shaped like a straight line going upwards.

Name: The graph of the model $\tilde { y } _ { i } = \beta _ { 0 } + \beta _ { 1 } x _ { i } + \beta _ { 2 } x _ { i } ^ { 2 }$ is shaped like a straight line going upwards.
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Question

Quizplus · Accepted Answer

The graph of the model is a parabola, not a straight line going upwards. The squared term in the model causes the graph to curve.

The Graph of the Model y~i=β0+β1xi+β2xi2\tilde { y } _ { i } = \beta _ { 0 } + \beta _ { 1 } x _ { i } + \beta _ { 2 } x _ { i } ^ { 2 }y~​i​=β0​+β1​xi​+β2​xi2​

The Graph of the Model $\tilde { y } _ { i } = \beta _ { 0 } + \beta _ { 1 } x _ { i } + \beta _ { 2 } x _ { i } ^ { 2 }$