Five-Number Summary Calculator
Interquartile range (IQR)
11
- Minimum
- 12
- First quartile (Q1)
- 17
- Median
- 22
- Third quartile (Q3)
- 28
- Maximum
- 45
- Lower fence (Q1 − 1.5 × IQR)
- 0.5
- Upper fence (Q3 + 1.5 × IQR)
- 44.5
- Outliers
- 45
- Whiskers (box plot)
- 12 to 31
- Count
- 11
Quartiles are medians of the lower and upper halves, excluding the overall median when n is odd (the TI-83/84 method).