How To Read a Boxplot

WSU Box Plot Explanation

Hover over elements of the boxplot to learn more about what they represent

PhD (Criminal Justice
& Criminology)
0
2
4
6
8
10
12
14
Average Time to Degree in years at WSU

Minimum Value (4 years)

Fastest degree completion time

Median (6 years)

50% of students finish before this

Maximum Value (9.5 years)

Longest typical completion time

Outliers

Students with unusually long completion times

Whiskers

Extend to min/max values within 1.5 × IQR

1st Quartile (Q1) (5 years)

25% of students finish before this

The Box (IQR)

Middle 50% of data (Q3-Q1 = 3 years)

3rd Quartile (Q3) (8 years)

75% of students finish before this