contestada

Which data set has an outlier?

6, 13, 13, 15, 15, 18, 18, 22
4, 4, 4, 8, 9, 9, 11, 18
2, 3, 5, 7, 8, 8, 9, 10, 12, 17
3, 6, 7, 7, 8, 8, 9, 9, 9, 10

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