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You make comparisons between their mean or median, their spread - as measured bu the inter-quartile range or standard deviation, their skewness, the underlying distributions.

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8y ago

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What is a double bar graph used for?

double bar graphs are used for comparing data between 2 different things.


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bar graphs are useful for comparing data b/c you cn actually see what the difference is between them.


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when comparing two sets of data... ex. lets say you are comparing the amount of cookies your friend has and how many you have. he/she has 2 and you have 4. you would show the bars side by side in different colors that way you can tell the difference between them and see the relationship of the two pieces of data. hope this helped :)


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