UPSKILL MATH PLUS
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Learn moreThe frequency distribution of data can be represented in numerous ways. The graphical representation depends on the data itself.
Depending upon the classification of data, graphical representation may vary.
Let us look at a few of them.
We will discuss histograms and frequency polygons in detail in the upcoming sections.
Let us now get introduced to histograms.
Histograms
Histograms are one way of graphically representing a grouped data; that is, histograms represent continuous data.
Histograms are made of a set of rectangles. \(X\)-axis will have the different ranges of continuous data, and \(Y\)-axis will have the frequency.
An example of a histogram is given below.
Important!
What is the difference between a bar graph and a histogram?
Bar graphs are used to represent discontinuous data. In other words, there are gaps between two frequency rectangles in a bar graph, while histograms are used to represent continuous data, and there are no gaps between two frequency rectangles.
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