Mathematics for IGCSE & O level - Statistical Diagrams (Section 6 - No. 9)
If the frequency density in a histogram is constant, then which of the following is true?
The class intervals have varying widths.
The class intervals are equally wide.
The frequencies are all different.
The median is equal to the mode.
Giải thích
Constant frequency density indicates that frequency is the same for the class widths