Chapter 16Measures of Dispersion

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If we analyse two or more observations the central value may be..

Range is the simplest method of studying dispersion.

We have seen that range is the simplest to understand and easiest to compute.


Even though Range and Quartile Deviation give an idea about the spread of ..

The technique of the calculation of mean deviation is mathematically illogical..

Lorenz Curve is statistical method of measuring dispersion from the average.