What are the merits of quartile deviation?
What are the merits of quartile deviation?
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Charu
Merits of Quartile Deviation:
It can be easily calculated and simply understood.
It does not involve much mathematical difficulties.
As it takes middle 50% terms hence it is a measure better than Range and Percentile Range.
It is not affected by extreme terms as 25% of upper and 25% of lower terms are left out.