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10 cards from this deck
It's the class interval with the highest frequency.
Median position = (n + 1) / 2, where n is total frequency.
Calculate cumulative frequency for the data.
Use: L + ((0.5n - F) / f) * w.
F is cumulative frequency before the median class.
Width is the difference between upper and lower boundaries.
Look for the interval with the highest frequency.
Confusing modal class with the exact mode value.
It's needed to find the median class accurately.
Ensure it adds up to the total frequency correctly.
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