Range (statistics)
In the descriptive statistics, the range of a set of data is the difference between the largest and smallest values. It is the size of the smallest interval which contains all the data and provides an indication of statistical dispersion.
It is measured in the same units as the data. Since it only depends on two of the observations, it is most useful in representing the dispersion of small data sets.
Read more about Range (statistics): Independent Identically Distributed Continuous Random Variables, Independent Nonidentically Distributed Continuous Random Variables, Independent Identically Distributed Discrete Random Variables, Related Quantities
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