1.

Find the median of the following data 3,5,9,10,11,4,5,8,12,15

Answer» On arranging the given data in ascending order, we get 3,4,5,5,8,9,10,11,12,15
Hence, no. of terms `(n) = 10` which is an even number
`"Therefore, median " = (((n)/(2))th" "term + ((n)/(2)+1)th" "term")/(2)`
`= (((10)/(2))th" "term + ((10)/(2)+1)th" "term")/(2)`
`= (5th" "term + 6th" "term")/(2) = (8+9)/(2) = 8.5`


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