Appendix B, Second Graphic Equation: Results from the 2004 National Survey on Drug Use and Health: National Findings

The standard error of capital Y hat sub d equals the product of capital N hat sub d and the standard error of p hat sub d.

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This page was last updated on May 20, 2008.

SAMHSA, an agency in the Department of Health and Human Services, is the Federal Government's lead agency for improving the quality and availability of substance abuse prevention, addiction treatment, and mental health services in the United States.

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