box and whiskers plot

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box and whiskers plot ‎(plural box and whiskers plots)

  1. (statistics) A graphical summary of a numerical data sample through five statisticsmedian, upper quartile, lower quartile, and upper extreme and lower extreme values — by depiction as a box with its edges at the quartile marks and an internal line at the median and with lines protruding from the box as far as the extremal values.