Geoscience Reference
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Figure 6.20 Normalize data in the Symbology window. Here, a choice of Census data
for 2000 will be totals by Block Group because those are the underlying spatial
units. Source of base map: Esri software.
Figure 6.21 Block Group data on numbers of 18 to 21 year-olds as a fraction of total
Block Group population. Data are normalized by dividing total number of 18 to
21 year-olds by total population, by Block Group, for each Block Group. Source of
base map: Esri software.
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