Inter Quartile Range for ungrouped data

Use this calculator to find the Inter Quartile Range (IQR) for ungrouped (raw) data.

Inter Quartile Range Calculator
Enter the X Values (Separated by comma,)
Results
Number of Obs. (n):
Ascending order of X values :
First Quartile :$Q_1$
Second Quartile :$Q_2$
Third Quartile :$Q_3$
Inter-Quartile Range :$IQR$

Inter Quartile Range for ungrouped data

Formula

$IQR =Q_3-Q1$

where

  • $Q_1$ is the first quartile
  • $Q_3$ is the third quartile

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