Question: The following scatterplots are showing exactly the same data, except the first plot deleted the one outlier and the second plot kept it. The purple

The following scatterplots are showing exactly the same data, except the first plot deleted the one outlier and the second plot kept it.

The purple lines are 12 standard deviations above and below the linear regression line for each data set, one with 15 observations, and the other with 16 observations. 25 80 20 60 15 40 10 20 X 12 15 18 21 24 9 12 15 18 21 24 -20 a a ywithout = -12.24 + 1.47x "with = -5.75 + 1.25x Deleting the outlier caused the slope to change by how much? The difference in slopes is

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