Struggling to convey statistical data in a clear and comprehensible manner? Look no further than bar graphs. This type of graph utilizes vertical or horizontal bars to represent quantitative data on one axis and qualitative or quantitative dependent variables on the other axis.

Also known as bar charts or bar diagrams, a bar graph visually represents data using vertical or horizontal bars. The length of each bar is proportional to the data it represents.

The most crucial aspect of a bar graph is the length of the bars, which accurately reflects the data presented. The independent variable in a bar graph refers to the characteristics or categories being studied, while the dependent variable is the frequency of each category, shown by the length of the bar.

To gain a better understanding, let's take a look at an example of a vertical bar graph:

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