Another Tool for Calculating ACS Margins of Error and Significance

Daniel Sheres at the D.C. Office of Planning has compiled all the equations for calculating ACS statistics (margins of error, statistical significance, etc.) into the following spreadsheet:

• ACS_Statistics_Calculator

Spreadsheet to Calculate ACS Margins of Error and Statistical Significance for Sums, Proportions and Ratios

This calculator, updated 2/23/2009,  from the New York Data Center allows users to produce the margins of error for the ACS when combining counts or proportions for a number of geographic areas. It also allows users to test significant differences between two estimates.

• Download Spreadsheet