Maharashtra State BoardSSC (English Medium) 7th Standard
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Concept of Double Bar Graph

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Topics

definition

Double bar graph: A double bar graph is a graphical display of information using two bars beside each other at various heights.

notes

Double Bar Graph:

  • A double bar graph is a graphical display of information using two bars besides each other at various heights.

  • The bars can be arranged vertically or horizontally.

  • Double bar graphs help to compare two collections of data at a glance.

Parts of a double Bar Graph:

  • Title: The title explains what the graph is about.

  • Scale: The scale of a bar graph is the range of values presented along either the horizontal or vertical axis.

  • Interval: Interval is the smallest quantity between two tick marks along an axis.

  • Labels: Both the side and the bottom of the bar graph have a label that tells what kind of data is shown. X-axis describes what each data point on the line represents and the y-axis shows the numeric value for each point on the line.

  • Bars: The bar measures the data number.

  • Key: Explains any additional information included in the graph. Many times, this will show different colours or symbols used to represent different categories. It is needed only when data about more than one category are shown in the graph.

  • Data values: Data values are the actual numbers for each data point.


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Drawing a joint bar graph [00:08:28]
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