A bar graph is a visual representation of data using rectangular bars to show the frequency or value of different categories. The length or height of each bar is proportional to the value it represents.
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Bar graphs are used to compare discrete categories or groups.
The bars in a bar graph can be displayed either vertically or horizontally.
Each bar in a bar graph should be uniformly spaced for accurate comparison.
Bar graphs are useful for displaying categorical data, where each bar represents a distinct category.
The y-axis (vertical) typically shows the frequency or value, while the x-axis (horizontal) shows the categories being compared.