What type of data is displayed on a bar graph

Area graphs are very similar to line graphs. They can be used to track changes over time for one or more groups. Area graphs are good to use when you are tracking the changes in two or more related groups that make up one whole category for example public and private groups. X-Y plots are used to determine relationships between the two different things. The x-axis is used to measure one event or variable and the y-axis is used to measure the other.

If both variables increase at the same time, they have a positive relationship. The stacked bar chart can be very difficult to analyze if too many items are in each stack. It can contrast values, but not necessarily in the simplest manner. It is easy to see at a glance what percentage of time each woman spent on an event. Had this been a chart representing a decathlon with 10 events the data would have been significantly harder to analyze. Please contact us and let us know how we can help you.

Table of contents. Topic navigation. Vertical bar charts Bar charts should be used when you are showing segments of information. Data table for Chart 5. The information is grouped by Year appearing as row headers , Number of police officers appearing as column headers.

Year Number of police officers 55 52 48 43 45 49 52 55 Data table for chart 5. The information is grouped by Year appearing as row headers , Number of boys and Number of girls appearing as column headers. Year Number of boys Number of girls 85 Statistics: Power from Data! Report a problem on this page. Is something not working? Bar graphs.

Explanation: A bar graph or a bar chart or bar diagram is a visual tool that uses bars to make a comparison of data among categories. Bar graphs have three main attributes: A bar graph makes it easy to compare sets of data between different groups. The graph represents categories on one axis and a discrete value in the other. The goal is to show the relation between the two axes. Bar graphs can also show big changes in data over time. Related questions How do you make a bar chart?

How do you find the central angle of a pie chart for a section of the pie chart that represents Under what conditions can you not use a pie chart to display categorical qualitative data?