Here is a sample data set.
| 284.1 | 300.7 | 309.5 | 310.4 | 360.6 | 389 | 402 | 413.9 |
| 444.5 | 444.5 | 444.5 | 444.9 | 445.8 | 448.3 | 448.8 | 449.5 |
| 458.4 | 461.8 | 464.9 | 469.8 | 469.9 | 469.9 | 473.6 | 476.3 |
| 485.6 | 487.4 | 489.6 | 511.1 | 527.8 | 537.6 | 540.9 | 546.2 |
| 546.2 | 546.2 | 567.7 | 573.7 | 575.3 | 587.9 | 610.1 | 612.9 |
| 617.6 | 640.7 | 660.4 | 680.1 | 739 | 739.4 |
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 =