Variation is defined as the dispersion or spread out of data. There are several measures of variations, one of which is range. The range is the measure of variation sensitive to extreme values.
The range of a group of values represents the dispersion of data, such that the difference between the maximum and minimum value.
The range is one of the simplest methods to measure the variation but it is very sensitive to extreme values.
The measures of variation are used to determine the dispersion of data. The formula given for range is:
Range = Max-Min
The range can be denoted in several forms, but the most simpler form is generally a rigid number or a difference score.
Therefore, the range is sensitive to extreme values.
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