A stem-and-leaf plot displays data by ordering it least to greatest. All of the digits except for the last one form the stem and the last digit forms the leaf. The leaf portion is arranged in order from least to greatest.
The median is the middle number in a set of data.
Subtract the largest number by the smallest number.
The range is the difference between the greatest and least number in a set of data.
The mean is the average of a set of numbers, while the mode is the number that occurs the most often in a set.
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