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 Problem: quartiles of {1,2,3,2,3,6} [ Calculator, Method and examples ]Solution:Your problem -> quartiles of {1,2,3,2,3,6}Arranging Observations in the ascending order, We get :1, 2, 2, 3, 3, 6Here, n = 6Q_1 = ((n+1)/4)^(th) value of the observation=(7/4)^(th) value of the observation=(1.75)^(th) value of the observation=1^(st) observation  + 0.75 [2^(nd) - 1^(st)]=1 + 0.75 [2 - 1]=1 + 0.75 (1)=1 + 0.75=1.75Q_2 = ((2(n+1))/4)^(th) value of the observation=((2*7)/4)^(th) value of the observation=(3.5)^(th) value of the observation=3^(rd) observation  + 0.5 [4^(th) - 3^(rd)]=2 + 0.5 [3 - 2]=2 + 0.5 (1)=2 + 0.5=2.5Q_3 = ((3(n+1))/4)^(th) value of the observation=((3*7)/4)^(th) value of the observation=(5.25)^(th) value of the observation=5^(th) observation  + 0.25 [6^(th) - 5^(th)]=3 + 0.25 [6 - 3]=3 + 0.25 (3)=3 + 0.75=3.75

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