Data Interpretation - Bar Charts

Bar Charts Description

Bar Chart is one of the graphical ways of data representation and especially useful for comparing values of different products/ items/ categories over a given time period.
Bar Charts, also known as Bar Graphs, provide an effective visual display to help get a better understanding of the relationships between the respective quantities of the various data categories.
A bar chart comprises of sub parts, which are as under:-
  • Title :- It summarizes the type of data represented in the graph
  • Labels :- These specify the categories of data
  • Bars :- These are used to represent the quantity with respect to a specific category
  • Grid lines :- These are used to create the scale.
  • Axis (X & Y) :- These are used to represent category names and their value range.

Although bar charts form the simplest way of data representation, but they can be of various types such as:-

Simple Bar Chart
:- It is used to display only one set of continuous variable.

Composite Bar Chart :- It is used to display two or more sets of continuous variables in one chart.


Deviation Bar Chart :- It is used to display one set of continuous variable, having both positive and negative values.

Stacked Bar Chart :- It is used to display the break-up of a continuous variable and for comparing two or more sets of data.

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