Which of the following statements could be an explanation for the presence of an outlier in the data?
A)The measurement belongs to a population different from that from which the rest of the sample was drawn.
B)The measurement may be correct and from the same population as the rest but represents a rare event. Generally, we accept this explanation only after carefully ruling out all others.
C)The measurement is incorrect. It may have been observed, recorded, or entered into the computer incorrectly.
D)All of the above are explanations for outliers.

Question

Quizplus · Accepted Answer

Outliers in data can arise due to various reasons: they might be the result of a measurement from a different population (A), a correct but rare measurement from the same population (B), or errors in observation, recording, or data entry (C). Therefore, all the given options are valid explanations for the presence of outliers in a dataset.

Which of the Following Statements Could Be an Explanation for the Presence