poolpool adjacent violators algorithmpooledpooled estimatepooled estimatorpooled sum of squarespooled variancepooling datapooling of errorpopulationpopulation correlation coefficientpopulation covariancepopulation distributionpopulation growth modelpopulation meanpopulation or sample size estimationpopulation projectionpopulation pyramidpopulation samplingpopulation varianceportabilityportmanteau testpositive breakdownpositive definite matrixpositive part of a functionpositive recurrent pointpositive semidefinite matrixpositive skewnesspossible eventposteriorposterior probabilitypowerpower curve of a testpower functionpower function distributionpower index of a gamepower of a testpower product sumpower series distributionpower transformationpowerfulpoweroidsprecedence life testprecisionprecision matrixprecision measurepredecessor successor methodpredictandpredictionprediction specification