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. 2015 Jun 24;10(6):e0130119. doi: 10.1371/journal.pone.0130119

Fig 3. The Relationship between Sample Size and Population for Counties.

Fig 3

This figure shows how the median population reported in the data for counties correlates with the number of total records found in the data for counties. Median population is graphed against the left hand axis and the number of records is graphed against the right hand axis.