What Is the Effect of an Outlier on the Value

Multiple Choice

What is the effect of an outlier on the value of a correlation coefficient?

A) An outlier will always decrease a correlation coefficient.
B) An outlier will always increase a correlation coefficient.
C) An outlier might either decrease or increase a correlation coefficient, depending on where it is in relation to the other points.
D) An outlier will have no effect on a correlation coefficient.