Quartile and IQR Calculator
Find the quartiles, interquartile range (IQR) and five-number summary of a data set, plus the fences for spotting outliers.
Result
Uses the same method as Excel’s QUARTILE.INC. Textbooks that split the data into halves can give slightly different quartiles.
Interquartile range (IQR)
17
- Q1 (25th percentile)
- 25.5
- Median
- 40
- Q3 (75th percentile)
- 42.5
- Minimum
- 6
- Maximum
- 49
- Lower outlier fence
- 0
- Upper outlier fence
- 68
- Outliers
- None