Question

out of 11 observations arranged in ascending order the 4th 5th 6th observations are 15 18 19 respectively find the median of all the 11 observations

Answer 1

median =19 is the answer

Answer 2

n = Number of observations
we know if n is odd
$Median \: = \: Value \: of \: ( \frac{n + 1}{2} )^{th} \: term \\ = ( \frac{11 + 1}{2} )^{th} term \\ = 6 ^{th} \: term \\ hence \: the \: median \: is \: 19$