A scatter diagram is given with one of the points drawn in blue. In addition, two least-squares

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A scatter diagram is given with one of the points drawn in blue. In addition, two least-squares regression lines are drawn: The line drawn in red is the least-squares regression line with the point in blue excluded. The line drawn in blue is the least-squares regression line with the point in blue included. On the basis of these graphs, do you think the point in blue is influential? Why?
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20 15 10 5 15 25 Explanatory Response

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20 15 10 10 15 Explanatory Response

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