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Find 1 quartiles of {{10,3},{11,12},{12,18},{13,12},{14,3}} [ Calculator, Method and examples ]

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Your problem -> 1 quartiles of {{10,3},{11,12},{12,18},{13,12},{14,3}}

 x Frequencyf cf 10 3 3 11 12 15 12 18 33 13 12 45 14 3 48 --- --- --- n = 48 --

Here, n = 48

Q_1 = ((n+1)/4)^(th) value of the observation

=(49/4)^(th) value of the observation

=(12.25)^(th) value of the observation

=11

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