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12 questions from this quiz
Histograms can have bars of different widths
Frequency density
FrequencyClass Width\frac{\text{Frequency}}{\text{Class Width}}Class WidthFrequency
Frequency Density ×\times× Class Width
6
24
The frequency for that class interval
Class widths may differ
To compare data fairly across different widths
Grouped data with unequal class intervals
The narrow interval
Frequency density by class width
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