Hi, Cliff

The ACS General Guidebook has one chapter devoted to calculating MOEs for derived estimates.  You may find it helpful.  I was trying to locate this document on line, but didn't see it.  Attached is my downloaded version from a while ago.


Liang Long
Cambridge Systematics, Inc.
4800 Hampden Lane
Suite 800
Bethesda, MD 20814
tel  301 347 9141
fax 301 347 0101
FHWA 202-366-6971
e-mail  llong@camsys.com
www.camsys.com



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Today's Topics:

  1. How to Combine Median Values for Mutliple Areas (Cook, Cliff)
  2. RE: How to Combine Median Values for Mutliple Areas (Eric Kramer)


----------------------------------------------------------------------

Message: 1
Date: Mon, 3 Jan 2011 13:24:06 -0500
From: "Cook, Cliff" <ccook@cambridgema.gov>
Subject: [CTPP] How to Combine Median Values for Mutliple Areas
To: "ctpp-news@chrispy.net" <ctpp-news@chrispy.net>
Message-ID: <600EBD94B0166D4BADC1083702EC47C4026F6C522B@Mordac.City>
Content-Type: text/plain; charset="us-ascii"

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@cambridgema.gov
      web site => <
http://www.cambridgema.gov/~CDD/>

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Date: Mon, 3 Jan 2011 12:33:17 -0700
From: "Eric Kramer" <EKramer@pagnet.org>
Subject: RE: [CTPP] How to Combine Median Values for Mutliple Areas
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