From 1970 to 1990, the average annual rate of decline in preschool blood lead levels, in mcg/dL
Question:
From 1970 to 1990, the average annual rate of decline in preschool blood lead levels, in mcg/dL per year, was approximately.
A) 1
B) 5
C) 15
D) 17
Transcribed Image Text:
PRESCHOOL BLOOD LEAD LEVELS VS. VIOLENT CRIME RATES IN THE UNITED STATES (23-Year Lag) Average Preschool Blood Lead (mcg/dl) (1940-1990) 30 25 20 15 10 5 0 1940 1963 1950 1973 1960 1983 Year 1970 1993 1980 2003 1990 2013 900 750 600 450 300 150 0 (1963-2013) Violent Crimes per 100,000 capita
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Related Book For
McGraw-Hill Education SAT 2017
ISBN: 9781259641657
1st Edition
Authors: Christopher Black, Mark Anestis
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