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10 questions from this quiz
Bars have different widths
Frequency density
How concentrated the data is
FrequencyClass Width\frac{\text{Frequency}}{\text{Class Width}}Class WidthFrequency
The frequency
7.27.27.2
242424
Same data squeezed into smaller range
Compare areas, not heights
Frequency Density×Width\text{Frequency Density} \times \text{Width}Frequency Density×Width
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