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Main Title Analysis of Coarsely Grouped Data from the Lognormal Distribution.
Author Hasselblad, Victor ; Stead, Andrew G. ; Galke, Warren ;
CORP Author Health Effects Research Lab., Research Triangle Park, NC.
Year Published 1980
Report Number EPA-600/J-80-299;
Stock Number PB81-231516
Additional Subjects Lead(Metal) ; Blood chemical analysis ; Statistical data ; Reprints ; Health statistics
Library Call Number Additional Info Location Last
NTIS  PB81-231516 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 10p
Abstract A missing information technique is applied to blood lead data that is both grouped and assumed to be lognormally distributed. These maximum likelihood techniques are extended from the simple lognormal case to obtain solutions for a general linear model case. Various models are fitted to the data, and likelihood ratio statistics are computed to test for significance of various parameterizations. The techniques are applied to a data set of over 130,000 blood lead values collected by the city of New York. The data collected from 1970 to 1976, are part of a large-scale screening program and have implications for the current ambient air lead standard.
Supplementary Notes Pub. in Jnl. of the American Statistical Association 75, n372 p771-778 1980.
NTIS Title Notes Journal article.
Title Annotations Reprint: Analysis of Coarsely Grouped Data from the Lognormal Distribution.
PUB Date Free Form Jun 80
Category Codes 6E; 57U
NTIS Prices PC A02/MF A01
Primary Description 600/11
Document Type NT
Cataloging Source NTIS/MT
Control Number 323801828
Origin NTIS
Type CAT