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IQR Calculator
Interquartile range = Q3 − Q1, with outlier fences.
Dataset
Numbers (comma separated)
1, 2, 5, 6, 7, 9, 12, 15, 18, 27
5.25
Q1
14.25
Q3
9
IQR
Outlier fences: lower = -8.25, upper = 27.75
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