Here is a sample data set.
| 292.9 | 293.8 | 342.6 | 346.8 | 370.7 | 372.6 | 401.4 | 416.8 |
| 473.7 | 473.7 | 473.7 | 475.4 | 475.5 | 495.3 | 496.4 | 500.5 |
| 516 | 516.2 | 517.4 | 517.9 | 521.1 | 521.1 | 547.8 | 550.7 |
| 564 | 570.9 | 571 | 582.4 | 583.2 | 588.2 | 589.3 | 609.2 |
| 609.2 | 609.2 | 613.5 | 616.5 | 618.7 | 640.7 | 646.9 | 664.8 |
| 681 | 693.9 | 725.2 | 733.4 | 753.3 | 758.3 |
Find the first quartile for this data set.
Q1 =
Find the third quartile for this data set.
Q3 =
Find the interquartile range for this data set.
IQR =
Find the lower fence (value) separating outliers from usual values.
Fencelow =
Find the upper fence (value) separating outliers from usual values.
Fencehigh =