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Learn how to construct frequency polygons, a graphical representation of data distribution, with or without a histogram. See the difference between frequency polygons and histograms, and solve examples with solutions and worksheets.
Learn how to draw frequency polygons using histograms or class marks to represent quantitative data and its frequencies. See a solved example of frequency polygon for heights of students in a batch.
- 3 min
Apr 23, 2022 · Frequency polygons are a graphical device for understanding the shapes of distributions. They serve the same purpose as histograms, but are especially helpful for comparing sets of data. Frequency polygons are also a good choice for displaying cumulative frequency distributions.
Apr 25, 2024 · Learn how to draw and use frequency polygons, a type of line graph that shows the frequency distribution of continuous data. Compare frequency polygons with histograms and cumulative frequency polygons, and see examples and applications.
Learn how to make a frequency polygon from a histogram or a frequency table, and how to use it to compare two data sets. A frequency polygon shows the overall distribution of a data set using midpoints and line segments.
Feb 6, 2021 · The graph of a frequency distribution for quantitative data is called a frequency histogram or just histogram for short. Definition \(\PageIndex{1}\) Histogram : a graph of the frequencies on the vertical axis and the class boundaries on the horizontal axis.
Apr 2, 2023 · 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, or class intervals, to use on the x -axis and y -axis.
