The Behavioral Risk Factor Surveillance System (BRFSS) is the world's largest ongoing telephone survey system. It is
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The Behavioral Risk Factor Surveillance System (BRFSS) is the world's largest ongoing telephone survey system. It is a serial survey that has tracked health condidtions and risk behaviors in the United States each year since 1984. According to this survey, the percentage of Americans who considered thrir health as excellent was 24.7 in 1995 but 20.0 in 2008. The annual decrease in the percentage was 1.6. Why does the health of Americans appear to be declining?
Related Book For
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr
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