RE: [CTPP] How to Combine Median Values for Mutliple Areas

I suggest you take a look at appendix 3 in the handbook below http://www.census.gov/acs/www/Downloads/handbooks/ACSResearch.pdf ____________________________ Eric W. Kramer, Ph.D. Senior Research/Statistical Analyst PAG_logotype 177 N. Church Ave, Suite 405 Tucson, AZ 85701 (520) 792-1093 x506 (tel) (520) 620-6981 (fax) www.pagnet.org ekramer(a)pagnet.org From: ctpp-news-bounces(a)chrispy.net [mailto:ctpp-news-bounces@chrispy.net] On Behalf Of Cook, Cliff Sent: Monday, January 03, 2011 11:24 AM To: ctpp-news(a)chrispy.net Subject: [CTPP] How to Combine Median Values for Mutliple Areas I am looking for guidance on how to combine median income values for several census tracts into a single value and associated margin of error. I recall seeing something about this topic in an ACS document but cannot locate the information at this time. Any help would be appreciated. Cliff Cook ---------------------------------------------------------------------------- - Clifford Cook Planning Information Manager Cambridge Community Development Dept. 344 Broadway Cambridge, MA. 02139 617/349-4656 FAX 617/349-4669 TTY 617/349-4621 email => ccook(a)cambridgema.gov web site => <http://www.cambridgema.gov/~CDD/>