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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“We must continually remind students in the classroom that expression of different opinions and dissenting ideas affirms the intellectual process. We should forcefully explain that our role is not to teach them to think as we do but rather to teach them, by example, the importance of taking a stance that is rooted in rigorous engagement with the full range of ideas about a topic.”
—bell hooks (b. 1955)