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Boxplots definitions

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  • Box Plot
    A visual summary of quantitative data using a box and whiskers to display the five-number summary.
  • Five-Number Summary
    A set of values including minimum, first quartile, median, third quartile, and maximum, used to describe data distribution.
  • Minimum
    The smallest value in a dataset, marking the lower end of the box plot's whisker.
  • Maximum
    The largest value in a dataset, marking the upper end of the box plot's whisker.
  • First Quartile
    A value below which 25% of the data falls, also known as Q1 or the 25th percentile.
  • Third Quartile
    A value below which 75% of the data falls, also known as Q3 or the 75th percentile.
  • Median
    The middle value of a dataset, dividing it into two equal halves and marking the 50th percentile.
  • Interquartile Range
    The distance between the first and third quartiles, representing the middle 50% of the data.
  • Whisker
    A line extending from the box to the minimum or maximum, showing the spread outside the interquartile range.
  • Percentile
    A measure indicating the relative position of a value within a dataset, such as 25th, 50th, or 75th.
  • Number Line
    A scale used beneath the box plot to accurately mark the five-number summary values.
  • Data Spread
    The extent to which values in a dataset are dispersed, visually indicated by the length of the box and whiskers.
  • Central Tendency
    A characteristic describing the center of a dataset, often highlighted by the median in a box plot.
  • Quartile
    A division of data into four equal parts, with Q1 and Q3 marking the boundaries of the box in a box plot.
  • Scale
    A reference for ensuring accurate placement and proportionality of values in a box plot.