Inter-Quartile Range(IQR) Calculator, Formulas

Inter-Quartile Range Calculator
An online inter quartile range value calculator.
IQR Formula
InterQuartile Range (IQR) = Third Quartile (Q3) - First Quartile (Q1)

Example of Interquartile range(IQR):
n | x[n] | Median | Quartile |
---|---|---|---|
1 | 7 | Q2=77 (median of whole table) |
Q1=33 (median of upper half, from row 1 to 6) |
2 | 7 | ||
3 | 33 | ||
4 | 33 | ||
5 | 47 | ||
6 | 75 | ||
7 | 77 | ||
8 | 115 | ||
Q3=133 (median of lower half, from row 8 to 13) |
|||
9 | 116 | ||
10 | 133 | ||
11 | 133 | ||
12 | 155 | ||
13 | 177 |
See Also ►
Z Score to Percentile Calculator
Percentile,Ordinal Rank Calculator
P Value from Z score Calculator
Letter Arrangment Probability Calculator
PERT Expected Time Probability Calculator
Mean Median Mode Ranges Calculator
