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10-Year Mean Income Differences Across Ohio Districts: Notated
      The y-axis represents districts according to degree social-economic-environmental advantage/disadvantage. The y-axis represents the increase in mean wealth across the ten-year period. Although the correlation coefficient and regression line are given, it must be noted that the r=0.62 greatly underestimates the degree of association between the two variables. This is because the relationship is clearly curvilinear and therefore the linear analysis underestimates association.
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