Confidence intervals for aritmetic means of lognormally distributed exposures
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| 100 | 1 | $0MAPA20080184582$aArmstrong, Ben G. | |
| 245 | 1 | 0 | $aConfidence intervals for aritmetic means of lognormally distributed exposures$cBen G. Armstrong |
| 520 | $aDistributions of concentrations of environmental contaminants are often approximately lognormally distributed. The arithmetic means of such distributions is frequently the summary measure most relevant to health. Although methods for estimating arithmetic means of lognormal distributions from samples are becoming better known, methods for determining the precision of estimates by confidence intervals are not. In this paper, four approximate intervals are compared with the computationally cumbersome exact interval | ||
| 650 | 1 | 1 | $0MAPA20080585679$aHigiene industrial |
| 650 | 1 | 1 | $0MAPA20080605278$aContaminantes químicos |
| 650 | 1 | 1 | $0MAPA20080616441$aContaminación atmosférica |
| 650 | 1 | 1 | $0MAPA20080621186$aControl de la contaminación |
| 650 | 1 | 1 | $0MAPA20080551797$aMuestreos |
| 650 | 1 | 1 | $0MAPA20080546373$aCálculos |
| 650 | 1 | 1 | $0MAPA20080592042$aModelos matemáticos |
| 740 | 0 | $aAmerican Industrial Hygiene Association journal | |
| 773 | 0 | $tAmerican Industrial Hygiene Association journal$dAkron, Ohio$gVol. 53, nº 8, August 1992 ; p. 481-485 |