Box Plot Analysis and Outliers

To eliminate outliers from the data set

To highlight the median value

To make the graph look more complex

To ensure outliers do not affect the impression of data spread

Median

Minimum

Mean

Third Quartile

Median minus Quartile 1

Maximum minus Minimum

Quartile 3 minus Quartile 1

Quartile 1 minus Quartile 3

Quartile 3 plus 1.5 times IQR

Quartile 1 minus 1.5 times IQR

Quartile 3 minus 1.5 times IQR

Quartile 1 plus 1.5 times IQR

15.5

22

6.5

5.75

30

22

19

53

They are shortened to the nearest data point within the fence

They are colored differently

They are extended to include outliers

They are removed entirely

It has a longer right tail

It shows a more symmetric distribution

It has a shorter left tail

It shows no outliers

Triangles

Squares

Arrows

Stars or small circles

To make the plot more colorful

To provide a more detailed look at the data

To confuse the viewer

To hide the outliers