When would you use a bar graph?
Understand the Problem
The question is asking about the appropriate situations or contexts for using a bar graph, which is a visual tool for comparing different categories of data.
Answer
To compare things between different groups or to track changes over time.
You would use a bar graph to compare things between different groups or to track changes over time, especially when the changes are larger.
Answer for screen readers
You would use a bar graph to compare things between different groups or to track changes over time, especially when the changes are larger.
More Information
Bar graphs are effective for visualizing categorical or discrete data and can be used to make comparisons clear and easy for the audience to understand.
Tips
A common mistake is using bar graphs for continuous data, where a line graph would be more appropriate.
Sources
- User’s Guide - NCES - nces.ed.gov
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