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Introduction
2. Range
Quartiles
Percentiles
Quantiles
Standard Deviation and Variance

Instruction

The range of a dataset is the difference between its largest and smallest values.

Consider the two sets represented in the following histograms.

The range of the first dataset is 5 = 3 - (-2) and the range of the second is 14 = 7 - (-7). Take a look at the example below:

From this measure, we can easily see that the data points in the first set are clustered together, while the data points in the second set are spread out.