Methodology

Ethnicity is shown as a bar graph with three values, each contributing a percentage to the total. The values for the graph are White, Black, and Other. An example of the display of this attribute in CencusConnect is as follows:

The number 91 shown in the example above represents the sample size of the people who responded to this question. The percentages used are taken directly from the census data as follows:

These values are what are retrieved from the U.S Census 2010 SF1 Survey:

From this data, simple division is performed: