##### Analytics

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It’s important to remember histogram is showing the density of the particular values in the given range. Whereas, bar/column graph only shows the value of categorical data. E.g bar graph will show 1stmember got 50 marks, 2nd got 40 marks, 3rd got 60 marks… on the other side, the histogram will show marks obtained by the class and will peak where maximum students got the number. Let me put one example of the same:

As I am writing about bar charts and categorical data then pie chart is also of the same kind but it’s not as good as it looks. This could be used to make presentation good but not giving actual figures. Here we have only 4 variables but in actual life, we have many variables and with too many variables the chart will show many parts which could not be easily visible to differentiate.

In next post is about histogram…