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The marks obtained by 13 students in a test are $10,3,10,12$, $9,7,9,6,7,10,8,6,7$. The median of this data is?
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The correct answer is:
8
First we arrange the data in ascending order $3,6,6,7,7,7,8,9,9,10,10,10,12$
Since no. of observations is odd
Required median $=\left(\frac{13+1}{2}\right)^{\text {th }}$ observation $=\left(\frac{14}{2}\right)^{\text {th }}=7^{\text {th }}$ observation
Since no. of observations is odd
Required median $=\left(\frac{13+1}{2}\right)^{\text {th }}$ observation $=\left(\frac{14}{2}\right)^{\text {th }}=7^{\text {th }}$ observation
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