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10 cards from this deck
A data value unusually far from most other values in a dataset
1.5 IQR rule
Q1−1.5×IQRQ_1 - 1.5 \times \text{IQR}Q1−1.5×IQR
Q3+1.5×IQRQ_3 + 1.5 \times \text{IQR}Q3+1.5×IQR
Below lower limit or above upper limit
Q3−Q1Q_3 - Q_1Q3−Q1
Large effect
Smaller effect
Usually no effect
Median
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