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A double bar graph is a bar graph used for displaying two sets of frequency data for each data group. It can be used to make comparisons between and within data groups. Data displayed on a double bar graph is countable. More »
A double bar graph is a chart that uses parallel bars at proportional lengths that represent quantitative values. The length of the bar correlates with the data. More »
A bar graph is used to compare items between different groups and track changes over a period of time. Bar graphs are best used for changes that happen over a large amount of time instead of just months or weeks. More »
To merge two sets of data into one graph in Excel, select both sets of data that will comprise the graph. Next, choose an option called "Combo" from the parent group titled "All Charts." More »
A double bar graph is a chart that uses parallel bars at proportional lengths that represent quantitative values. The length of the bar correlates with the data. More »
A frequency table is a mathematical graph that identifies the number of times pieces of data occur in a given sequence. Most frequency tables contain three columns and between five and ten rows. More »
A compound bar graph breaks down data by splitting the columns to represent information comprising each bar. For example, a bar graph representing state employment rates can be turned into a compound bar graph by subdivi... More »

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