What Effect Would an Outlier Have on the Slope of a Regression

question 53

Multiple Choice

What effect would an outlier have on the slope of a regression equation?

• A)An outlier has no effect on a regression equation.
• B)An outlier could either increase or decrease the slope, depending on its location.
• C)An outlier always decreases the slope.
• D)An outlier always increases the slope.

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