Practice Test 7

The scatterplot shows 16 data points together with two lines: line $$\ell$$ is a line of best fit; line $$m$$ is another line. Based on the scatterplot, which statement about the sum of squared residuals is most accurate?

The scatterplot above shows data for 10 cities, with average January temperature (°F) on the x-axis and average heating cost per household ($) on the y-axis. A line of best fit is drawn. If the data point (15, 180) is removed from the data set, which of the following is most likely to occur?