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10 cards from this deck
Minimum, maximum, lower quartile, upper quartile, and median.
The middle 50% of a dataset, Q₃ - Q₁.
Locate the middle value; if even, average the two middle values.
Q₁ marks 25% and Q₃ marks 75% of the data.
To visually compare datasets and show data spread.
25% of data is ≤140; 25% is ≥220, IQR=80.
They display spread, center, and skewness visually.
Ensure data is ordered and scale is appropriate.
Order data from smallest to largest first.
Q1=17, Median=18.5, Q3=41, IQR=24
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