A Dotplot Is a Graphical Portrayal of an Absolute or Relative

True/False

A dotplot is a graphical portrayal of an absolute or relative frequency distribution of continuous quantitative data having the following characteristics:
a. the lower and upper limits of the data classes are identified by tick marks on a horizontal axis, and
b. the corresponding absolute or relative class frequencies are represented by the areas of contiguous rectangles that stand on top of each of these class intervals.