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    Find the median of the below data.2, 6, 5, 2,4, 9, 6, 2, 6, 4, 10, 12, 6, 3, 4, 9
    Question

    Find the median of the below data.

    2, 6, 5, 2,4, 9, 6, 2, 6, 4, 10, 12, 6, 3, 4, 9

    A.

    ​4.5

    B.

    ​5

    C.

    ​5.5

    D.

    6

    Correct option is C

    Given: 

    2, 6, 5, 2,4, 9, 6, 2, 6, 4, 10, 12, 6, 3, 4, 9 

    Formula Used:  

    Median for the even number of terms;

    12[(n2)th term+(n2+1)th term]\frac{1}{2}\left[\left(\frac{{n}}2\right)^{\text{th }} \text{term} + \left(\frac{{n}}2+1\right)^{\text{th }} \text{term} \right]​  

    Solution: 

    ​2, 6, 5, 2,4, 9, 6, 2, 6, 4, 10, 12, 6, 3, 4, 9  

    arranging in  ascending order; 

    2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 6, 9, 9, 10, 12

    n = 16 (even)

    Thus, 

    Median ; 

    =12[(162)th+(162+1)th]= \frac{1}{2} \left[\left(\frac{16}2\right)^{\text{th}} +\left(\frac{16}2+1\right)^{\text{th}}\right] 

    12\frac{1}{2}​ (8th number +  9thnumber)

    =  ​5+62\frac{5+6}2 = 112\frac{11}2 = 5.5 

    Thus, the Option(c) 5.5 is correct. 


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