Frequency Polygon Graph Example. In a frequency polygon the number of observations within an interval is marked with a single point placed at the midpoint of the interval. Apr 16 2020 A frequency polygon is a type of chart that helps us visualize a distribution of values.
We have moved all content for this concept to for better organization. Jan 17 2021 Frequency Polygons Frequency polygons are analogous to line graphs and just as line graphs make continuous data visually easy to interpret so too do frequency polygons. To construct a frequency polygon first examine the data and decide on the number of intervals and resulting interval size for both the x-axis and y-axis.
The heights are represented on the horizontal axes on a suitable scale as shown.
One can draw these graphs either separately or combined. Each data point represents the frequency for each interval. May 09 2017 A frequency polygon is a type of line graph that shows the frequency of a mutually exclusive event occurring. Aug 11 2016 Example.
