Properties of Influential Points in Regression
In the context of regression analysis, which of the following statements best describes an influential point?
A
An influential point is one whose removal would significantly change the slope of the regression line.
B
An influential point is defined solely based on the magnitude of its residual.
C
An influential point always has a large residual, indicating a poor fit.
D
An influential point is irrelevant if it does not have high leverage.
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