Range Quartiles Formulas In Statistics

From a set of data having Q₁ and quartiles over Q₃, the quartile range formula is:

Range Quartiles Formulas in Statistics

RQ = Q₃ - Q₁

Information :

RQ = Range of Quartile
Q₁ = 1st Quartile

Q₃ = 3rd Quartile

Example :

Please determine the range of quartile if the first quartile is 40.27 and the third quartile is 53.79 !!!

Answer :

Q₁ = 40.27

Q₃ = 53.79

RQ = Q₃ - Q₁

RQ = 53.79 - 40.27

RQ = 53.79 - 40.27

RQ = 13,52

So the range of quartile if the first quartile is 40.27 and the third quartile is 53.79  is 13.52.

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