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14 cards from this deck
Distribution with line of symmetry; both sides match perfectly
Mean=Median=Mode\text{Mean} = \text{Median} = \text{Mode}Mean=Median=Mode
Normal distribution
Most data at lower values, tail extends to the right
Mean>Median>Mode\text{Mean} > \text{Median} > \text{Mode}Mean>Median>Mode
Right (positive direction)
Income distribution in most countries
Most data at higher values, tail extends to the left
Mean<Median<Mode\text{Mean} < \text{Median} < \text{Mode}Mean<Median<Mode
Left (negative direction)
Exam scores when most students perform well
The mean is pulled in direction of the skew
Skew is named after the direction the tail points
Heights of people in a large random sample
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