y axis represents frequency ona histogram
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The y axis on a histogram represents the frequency density.
I think it represents a frequency.
A bar graph cannot have classes with different width. The height of a bar graph represents the frequency attributed to that class whereas in a histogram the area of a "bar" is proportional to the frequency, the height represents the frequency density.
No it is not. The ogive is a graph that represents the cumulative frequencies for the classes in a frequency distribution.
what is the difference between a regular histogram and a percent frequency polygon