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A bar graph is best when the data are divided among time periods or other criteria, such as the number of U.S. House members per U.S. state.

A line graph is best for data that are constantly changing, such as the outdoor temperature of a city.

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Q: When is a bar graph and line graph used?
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Related questions

The 3 types of graphs used in science?

The three kinds of graph is bar graph, line graph, and pie graph. bar graph is used to compare two or more things. A line graph is used to show changes over time. A pie graph is used to show proportions.


What is the difference between a line graph and a bar graph?

Difference between bar and line graphs:Line graph shows change in a long period of time and bar graph shows bars showing different amounts.Also a line graph is used to show change over time and a bar graph is used for comparison.


What graph is used for comparisons?

a bar graph or line plot


When do you use a line graph and when do you use a bar graph?

Bar graphs are used when graphing a qualitative independent variable, but a line graph is used when the independent variable is quantitative. Also when you are comparing quantity of objects(bar graph)


When do you use a line graph and when do you use a line graph?

Bar graphs are used when graphing a qualitative independent variable, but a line graph is used when the independent variable is quantitative. Also when you are comparing quantity of objects(bar graph)


What is the best use of a line graph and what is the best use of a bar graph?

a bar graph is best used for comparing amounts, a line graph best represents a steadily increasing value. For example prices of a shirt (line graph), or viscosity of liquids (bar graph).


How is a bar graph differet from a line graph?

a line graph is over time. a bar graph is not


What are three type of graphs in science?

The three kinds of graph is bar graph, line graph, and pie graph. bar graph is used to compare two or more things. A line graph is used to show changes over time. A pie graph is used to show proportions.


How are a bar graph and a line graph different?

a bar graph is a graph that displays data using bars and a line graph is a graph that displays data in a line


How are a bar graph and line graph different?

a bar graph is like a line grapgh but the difference of they are the bar graph show horizontal and line graph shown vertical.. think logic..^_^


What is the difference between the information of a bar graph and a line graph?

a line graph is over time. a bar graph is not


Kinds of bar graph?

bar graph,line graph and pie graph