Which of the following gave rise to need of graphs in data analysis?

Data visualization
Communicating results
Decision making
All of the mentioned

The correct answer is: All of the mentioned.

Graphs are used in data analysis to visualize data, communicate results, and make decisions.

  • Data visualization is the process of representing data in a graphical format. This can be done through a variety of methods, such as bar graphs, line graphs, and pie charts. Data visualization can help to make data more understandable and easier to interpret.
  • Communicating results is the process of sharing the findings of data analysis with others. This can be done through a variety of methods, such as writing reports, giving presentations, or creating infographics. Communicating results is important to ensure that the findings of data analysis are used to make informed decisions.
  • Decision making is the process of choosing between different options. Data analysis can be used to inform decision making by providing information about the potential outcomes of different options. This information can help decision makers to make better choices.

In conclusion, graphs are used in data analysis to visualize data, communicate results, and make decisions. All of these are important aspects of data analysis, and graphs can be used to support each of them.

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