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Mathematics for IGCSE & O level - Statistical Diagrams (Section 4 - No. 33)

What does the term 'frequency density' signify in a histogram?
The frequency per unit of class width.
The total number of observations.
The width of each class interval.
The number of classes in the distribution.

توضيح

Frequency density is calculated by dividing the frequency of an interval by its width.

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