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Line graphs are used to display data or information that changes continuously over time. Line graphs allow us to see overall trends such as an increase or decrease in data over time.

By contrast, bar graphs emphasize the magnitude of changes, so they are an excellent way to demonstrate data with sharp fluctuations, but not continuously over time.

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Q: Which type of graph is best for showing the change in data over time?

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Line graph

Bar graph

A circle graph, or pie chart is best used for showing parts of a whole.

bargraph or linegraph

A bar graph.

Related questions

line graph

Line graph

Probably a pie (or circle) graph.

Bar graph

A circle graph, or pie chart is best used for showing parts of a whole.

bargraph or linegraph

A line graph is the best choice for graphing your data when you're showing quantitative data (numbers) over time. A bar graph is best when you're showing qualitative data and quantitative data at the same time. A line graph could be: Laps run in a minute. A bar graph could be: Laps run by Legolas, Gimli, Hermione, and Harry in 5 minutes.

A line graph.

They are best for showing sets of data that just have an amount. This usually happens with a survey.

a data point

The title of a graph should be an indication of the information that the graph is meant to convey. It may not be a direct description of the data but it should certainly be relevant to the data being used. For example, a graph showing number of residents against years might have a title of "Growth in the town". The title refers not to the data but to the information the graph is showing.

The title of a graph should be an indication of the information that the graph is meant to convey. It may not be a direct description of the data but it should certainly be relevant to the data being used. For example, a graph showing number of residents against years might have a title of "Growth in the town". The title refers not to the data but to the information the graph is showing.