APFIVE Regression Outlier Characteristics
In regression analysis, which of the following provides the best description of an outlier on a scatterplot?
A
A data point that has minimal influence on the slope of the regression line due to its position near the average $$x$$-value.
B
A data point with an $$x$$-value near the mean but with a large vertical deviation from the regression line.
C
A data point that lies exactly on the regression line with a residual of zero.
D
A data point that follows the general trend and has a small residual compared to the other points.
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