Mastering Bar and Line Graphs for Effective Data Visualization

Jul 02, 2025

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Learn how to create bar graphs to compare data amounts with appropriate scaling and uniform bar width. Discover how to employ line graphs to visualize data changes over time using straight line segments. This homework will help you grasp these graph types efficiently.

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Mastering Bar and Line Graphs for Effective Data Visualization

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Bar Graphs and Line Graphs
Bar Graph • A bar graph uses vertical or horizontal bars to display numerical information. • Bar graphs can be used to compare amounts. • Choose an appropriate scale (with regular intervals). • The bars should have the same width.

Line Graph • A line graph uses a series of line segments to show changes in data over time. • Plot a point for each data item, and then connect the dots with straight line segments.