Bar graphs are used to show sets of data in more specific categories. 32 students were asked which season was their favourite. The table shows the results. Construct a bar chart that represents these ...

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The type of graph you use depends on the type of data you want to represent. In a bar chart, the height of the bar shows the frequency of the result. As the height of bar represents frequency, the ...

You won’t believe how easy it is to create animated bar charts in the R programming language to show rankings over time. Racing bar charts can be a useful way to visualize comparative data over time.

The first results from Montana’s new standardized test show fewer than half of elementary-school students statewide are meeting math, reading and writing standards. The first year of testing had a ...