Some measures of dispersion depend upon the spread of values whereas some calculate the variation of values from a central value. Do you agree?

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Solution

Yes, it is true that some measures of dispersion depend upon the spread of values, whereas some calculate the variation of value from the central value. Range and quartile deviation measure the dispersion by calculating the spread within which the value lies. Mean deviation and standard deviation calculate the extent to which the values differ from the average or the central value.

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