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13 cards from this deck
Data points significantly different from rest of data
Outside 1.5×IQR1.5 \times \text{IQR}1.5×IQR above Q3Q3Q3 or below Q1Q1Q1
Z>3Z > 3Z>3 or Z<−3Z < -3Z<−3
IQR=Q3−Q1\text{IQR} = Q3 - Q1IQR=Q3−Q1
Q1−1.5×IQRQ1 - 1.5 \times \text{IQR}Q1−1.5×IQR
Q3+1.5×IQRQ3 + 1.5 \times \text{IQR}Q3+1.5×IQR
Addressing issues in data for accurate analysis
Median
Mean, median, or mode
Mean of 000 and standard deviation of 111
Between 000 and 111
222 standard deviations from mean
xˉ±2σ\bar{x} \pm 2\sigmaxˉ±2σ
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