Properties of Good Measure of Variation

Properties of Good Measure of Variation

1. It should be simple to understand.
2. It should be easy to compute.
3. It should be rigidly defined.
4. It should be based on each and every item of the distribution.
5. It should have sampling stability.
6. It should not be affected by the extreme items.

Methods of measuring dispersion;-

1. Range
2. Quartile deviation
3. Mean deviation
4. standard deviation