1.5 Relative Frequency Histograms
Definition: A for a quantitative data set is a bar graph in which the height of the bar represents the proportion or relative frequency of occurrence for a particular class or subinterval of the variable being measured.
The class or subintervals are plotted along the x axis.
See the unnumbered example on pages 25 –26 for an example of the construction of a relative frequency histogram.
Also see Example 1.11.
©1998 Brooks/Cole Publishing/ITP