Question

The following observations have been arranged in the ascending order 10 11 13 14 x 17 18 19 21 23 its median of the data is 16 then find the value of x

Answer 1

here,
(10+11+13+14x+17+18+19+21+23)÷2=16
or,(132+14x)÷2=16
or,66+7x=16