Question: The scatterplot shows the weight (in pounds) and cost (in dollars) of 11 stand mixers. The mixer from Walmart (highlighted in red) was much lighterand

The scatterplot shows the weight (in pounds) and cost (in dollars) of 11 stand mixers. The mixer from Walmart (highlighted in red) was much lighter—and cheaper—than the other mixers.

500 400 A 300 200 100 10 15 20 25 30 35 Weight (Ib) Price ($)

a. Describe what influence the highlighted point has on the equation of the least-squares regression line.

b. Describe what influence the highlighted point has on the standard deviation of the residuals and r².

500 400 A 300 200 100 10 15 20 25 30 35 Weight (Ib) Price ($)

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