**
510-465 115 Q₁ = 40 + * 10-40 +3.9-43.9 th item = Median - Size of 680 2 340th item Median lies in the class 30-40 N/2-c.f Med. = L + xi f L=30, N/2=340, c.f. 225, f= 240, i= 10 Med. = 30 + 340-

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