Dense smoke from a forest fire - would disperse in the atmosphere. This would be an example of natural dispersion
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distinguish between dispersion and skewness
Dispersion is the act of spreading people or things (like seeds) out over a large area. Measures of dispersion tell us the degree of variation of values in a sample or population.
The Absolute Measure of dispersion is basically the measure of variation from the mean such as standard deviation. On the other hand the relative measure of dispersion is basically the position of a certain variable with reference to or as compared with the other variables. Such as the percentiles or the z-score.
How do we calculate variance
It is the measure of central tendency.