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box plot
Five numbers per group drawn as one shape: the box holds the middle half of the cases, the line inside it is the median, and the whiskers reach the extremes. Because each group collapses to one narrow shape, you can stand several side by side and compare their spreads, not only their middles. It hides the shape inside the box, including a second hump.
Five numbers per group drawn as one shape: the box holds the middle half of the cases, the line inside it is the median, and the whiskers reach the extremes. Because each group collapses to one narrow shape, you can stand several side by side and compare their spreads, not only their middles. It hides the shape inside the box, including a second hump.
Example
Best when you are comparing several groups and the spread matters as much as the typical value.
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