The value of third quartile is 72, second quartile is 52 and the first quartile

Question

The value of third quartile is 72, second quartile is 52 and the first quartile is 45 then quartile deviation is

Options:

A . 13.5

B . 14

C . 16.5

D . 18.5

Answer: Option A
Answer: (a).13.5

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