The range is one of the simpler calculations in describing the distribution of a data set. The range determines the spread of the data and is given by taking the largest value of the data set and the smallest value of a data set and finding the difference between the two.
For example, the data set has the highest data value of 30 and the lowest data value of 12. Hence, the range is just equal to 30 – 12 = 18.
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