rank

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rank

(rank),
1. The ordinal position of an observation in the set of observations of which it is a member.
2. To order a set of observations according to their rank.

rank

the place in a series occupied by a value when the series has been set in order according to a particular trait, usually size. Called also order statistic.

rank sum test
nonparametrical statistical test used to compare two methods by seeing if one method contributes more to the higher ranked values.
References in periodicals archive ?
But now one Birmingham MP, Dr Lynne Jones (Lab, Selly Oak), has broken ranks with colleagues to back the broadcasters and denounce the music as "extremely annoying".
AT last a senior copper has broken ranks with the Association of Chief Police Officers and the Government.
PETER Hain has broken ranks with the Cabinet and said he is "sceptical" about nuclear power.
DERRY football coach John Morrison has broken ranks from his Ulster colleagues and backed the decision to open up Croke Park.