is a rank statistic always distribution free? is the rank statistic always distribution free? how to make rank statistic distribution free does rank statistic always depend on inverse if a rank statistic is always distribution free, how does that distribution differ? if a rank statistic is always distribution free if price f$ is invertible, will $x_k$ depend on the distribution of what is the rank statistic of an iid? is a rank statistic always uniform is rank always distribution free is a rank statistic always distribution free is qs statistic always distribution free is x invertible is the rank statistic always distribution free why is the rank statistic always distribution free? ____ is invertible. do we have to do a rank statistic for it to be distributed in iid is the rank distribution always invertible is a rank statistic always distribution free when a rank statistic is always distributed, the distribution if a rank statistic is always distribution free, is it true that