A scatter diegram is given with one of the points drawn in blue (large point). T

Question

A scatter diegram is given with one of the points drawn in blue (large point). The line drawn in red (dashed line) is the least-squares regression line with the point in blue (the arge point) exduded. The line drawn in blue (solid line is the least-squares regression line with the point in blue arge point) included. On the besis of these graphs, do you think the point in blue is influential s the point in blue arge point) influential? O No, becouse the point significantly atfects the leastsquares regression line. Yes, because the pont does nt significantly affe the leastsquares regression line. O Yes, beaus the polint signiticantly affects the leastcquares ragression lina O No, bacousa the point doss not signiticantly atfect the leastquarcs regrasaion line.

Explanation / Answer

Since the new and the old line have almost similar equation, the correct answer to this question is option D

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