Mathematics for IGCSE & O level - Statistical Diagrams (Section 3 - No. 39)
Which of the following statements is true about histograms?
The area of a bar represents frequency.
Histograms are used for categorical data.
The width of the bar represents the class width.
The height of the bar represents frequency density.
Explication
Histograms depict the frequency distribution of continuous data. The area corresponds to the frequency