Question

frequency polygen algebra hard quest.
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Answer 1

Step-by-step explanation:

A frequency polygon is a graph constructed by using lines to join the midpoints of each interval, or bin. The heights of the points represent the frequencies. A frequency polygon can be created from the histogram or by calculating the midpoints of the bins from the frequency distribution table.

Answer 2

Answer:

It is the class mark of frequency of histogram

or simply the mid points of the bars of histogram when joined creates frequency polygon