- Bar charts can present
**qualitative data**(which is described in words). The bar chart shown below shows the number of shapes: - Bar charts can present
**quantative data**(which is described in numbers). Quantitive data can be discrete or continuous:**Discrete data**can only take certain values The bar chart shown below shows the test scores (out of 10) of a class of students. The test scores can only be whole numbers, so they are discrete:**Continuous data**can take any value (within a range). The bar chart shown below shows the heights of a group of friends. Heights can take any value within a range, so they are continuous:**Note:**There are no gaps between the bars because continous data has no gaps in it.**Also note:**A histogram is a type of bar chart for continuous data.

## What Is a Bar Chart?

A bar chart (or bar graph) is a chart which uses bars to present data. The height of each bar shows how often (the frequency) each value appears in the data.## What Is Data?

Data is a set of facts (such as numbers, measurements or words) that have been collected or measured. Data can be reported, visualized and analyzed to help us learn and make decisions.## You might also like...

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