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 Related Terms
 Box and Whisker Plot:  A diagram that summarizes data using the median, the upper and lower quartiles, and the extreme values (outliers).
Stem-and-Leaf Plot: A graphical method used to represent ordered numerical data. Once the data are ordered, the stem and the leaves are determined. Typically, the stem is all but the last digit of each data point and the leaf is that last digit.
Data: The facts or numbers that describe something.
Quartiles: When data in a set are arranged in order, quartiles are the numbers that split the data into quarters (or fourths).
Median: The number in the middle of a set of data when the data are arranged in order. When there are two middle numbers, the median is their mean.
Minimum: The lowest point on a graph. The smallest number in a data set.
Maximum: The highest point on a graph. The biggest number in a data set.