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20, 13, 18, 25, 6, 15, 21, 9, 16, 8, 22 की माध्यिका है

(A) 18

(B) 16

(C) 6

(D) 15

1 Answer

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सही विकल्प है (B) 16

पहले दी गई संख्याओं को आरोही क्रम में व्यवस्थित करें,

\(6,8,9,13,15,16,18,20,21,22,25\)

यहाँ, \(n=11\), जो विषम है।

जहाँ, n दी गई संख्याओं की संख्या है।

\(\therefore\) माध्यिका = \(\frac{1}{2}(n+8)\) वे पद का मान

\(=\frac{1}{2}(11+1)\)

\(=\frac{1}{2} \times 12\)

\(=\) 6वाँ पद

तब, 6वाँ पद का मान = 16.

अत: माध्यिका 16 है।

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