What is a frequency polygon?
Understand the Problem
The question is asking for an explanation of what a frequency polygon is, which is a statistical graph used to represent the distribution of data points. It connects the midpoints of each class interval with straight lines, showing the frequency of data in a visual format.
Answer
A frequency polygon is a graph plotting midpoints of class intervals against frequencies using straight lines.
A frequency polygon is a type of graph that shows frequencies of grouped data by plotting the midpoints of class intervals and connecting them with straight lines.
Answer for screen readers
A frequency polygon is a type of graph that shows frequencies of grouped data by plotting the midpoints of class intervals and connecting them with straight lines.
More Information
Frequency polygons offer an alternative to histograms for visualizing distributions and are particularly useful for comparing multiple datasets.
Tips
A common mistake is confusing frequency polygons with histograms. Note that in frequency polygons, points are connected with lines, unlike the bars used in histograms.
Sources
- Frequency Polygon - an overview | ScienceDirect Topics - sciencedirect.com
- Frequency Polygon - Definition,Steps and Solved Examples - BYJU'S - byjus.com
- Frequency Polygons - Definitions, Steps, Formula, Example - Cuemath - cuemath.com
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