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A variate takes 13 values which are arra...

A variate takes 13 values which are arranged in ascending order of their magnitudes. It is found that `5^(th) , 7^(th) and 8^(th)` observations are 4, 6 and 9 respectively. What is the median of the distribution

A

4

B

6

C

9

D

Can ' be determined

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