A dual bar chart is a simple type of graph that helps us compare two sets of data side by side. In GCSE Biology, you might use it to show results from an experiment, like comparing the growth of two different plants under different conditions. Each pair of bars represents one category or group, with the height of the bars showing the size or number for each set of data. The chart makes it easy to see differences and similarities at a glance, helping you better understand your results.
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