Definition Of Outlier

An outlier is an element of a data set that distinctly stands out from the rest of the data.

Examples of Outlier

An outlier in the list 212, 361, 201, 203, 227, 221, 188, 192, 198 is 361
An outlier in the list 14, 9, 17, 19, 42, 22, 35, 99, 32, 2 is 99

Video Examples: Statistics - How to find outliers

Solved Example on Outlier

Ques: Identify the outlier of the data set. 216, 403, 203, 210, 227, 220, 190, 194

Choices:

A. 403
B. 216
C. 210
D. 220
Correct answer: A

Solution:

Step 1: An outlier is an element of a data set that distinctly stands out from the rest of the data.
Step 2: In the given data set, 403 is far apart from the remaining data values.
Step 3: So, the outlier of the data set is 403.

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