effectivenessefficiencyefficiency of cluster samplingefficiency of ratio estimateefficiency of stratificationefficiency of two stage samplingefficiency ratingefficientefficient estimateefficient estimatorefficient solutionefficient solutionsegorov theoremeigeneigen elementeigen function expansioneigen matrixeigen spaceeigen value of a matrixeigenfrequencyeigenfunctioneigenstateeigenvalueeigenvalue equationeigenvectoreighteight leaved rose curveeighteeneighteentheightheightietheightyeign columneinsteineinstein conventioneinstein equivalency principleeinstein serieseinstein spaceeisensteineisenstein criterioneithereither diagrameither group operationejectejectionejectorejector barejector bladeelapseelapsed time
