<Dl> <Dd> 1 4 n f (m) 2 (\ displaystyle (\ frac (1) (4nf (m) ^ (2)))) </Dd> </Dl> <Dd> 1 4 n f (m) 2 (\ displaystyle (\ frac (1) (4nf (m) ^ (2)))) </Dd> <P> where m (\ displaystyle m) is the median of f (x) (\ displaystyle f (x)) and n (\ displaystyle n) is the sample size . </P> <P> These results have also been extended . It is now known for the p (\ displaystyle p) - th quantile that the distribution of the sample p (\ displaystyle p) - th quantile is asymptotically normal around the p (\ displaystyle p) - th quantile with variance equal to </P>

Middle value of an ordered set of values