jj divergences and related conceptsj shaped curvesjackknife methodsjackson estimatorjacobi iterationjacobi matrixjacobi polynomialjacobianjames stein estimatorjirina sequential procedurejohnson neyman techniquejointjoint confidence intervaljoint distributionjoint distribution functionjoint marginal distributionjoint probabilityjoint probability distributionjoint random variablejolly seber estimatorjonckheere tests for ordered alternativesjordan measurejudgmentjudgment samplejudgment under uncertaintyjump discontinuityjump processjunctionjust identified equation