1.

Find out the median.S. No.123456789Marks Obtained101214171820213032

Answer»

10, 12, 14, 17, 18, 20, 21 30, 32

N = 9 

Median = \((\frac{N+1}2)^{th}\)

Median = \((\frac{9+1}{2})^{th}\) = 5th item

Therefore, the median is given by the size of the 5th items. Therefore, the Median of the data so given is 18.



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