Many of us are familiar with a bar graph. A bar graph is a graphical display of data using single bars of various heights. A double bar graph is a graphical display of information using two bars besides each other at various heights. The bars can be arranged vertically or horizontally. We can use a double bar graph to compare two data groups.
A double bar graph has two axes. The x-axis of a double bar graph shows the categories being compared, and the y-axis represents the scale. A scale is a set of numbers that represents the data organized into equal intervals. It is important to know that all double bar graphs must have a title. The title of the double bar graph provides a general overview to the reader of what is being measured and compared. A double bar graph will also include a key. The key for a double bar graph will represent the groups being compared with two separate colors
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What is a Double Bar Graph?
Many of us are familiar with a bar graph. A bar graph is a graphical display of data using single bars of various heights. A double bar graph is a graphical display of information using two bars besides each other at various heights. The bars can be arranged vertically or horizontally. We can use a double bar graph to compare two data groups.
A double bar graph has two axes. The x-axis of a double bar graph shows the categories being compared, and the y-axis represents the scale. A scale is a set of numbers that represents the data organized into equal intervals. It is important to know that all double bar graphs must have a title. The title of the double bar graph provides a general overview to the reader of what is being measured and compared. A double bar graph will also include a key. The key for a double bar graph will represent the groups being compared with two separate colors