Which of the following could describe an outlier in a scatterplot?
A)An error in the recording of the data.
B)A gap in the explanatory variable where no data is available, followed by a point where data is available.
C)A point in the data set whose removal changes the correlation a great deal.
D)All of the above

Question

Quizplus · Accepted Answer

Outliers in a scatterplot can be due to various reasons including errors in data recording (A), gaps in data that lead to unusual points when data becomes available (B), and points that significantly affect the correlation coefficient when removed (C).

Which of the Following Could Describe an Outlier in a Scatterplot