Datacenter's interactive graph and data of "Less than a high school diploma, age group 18-24" is a bar chart, showing 2014 vs 2015. The x-axis shows values from -0.5 to 2.5. The y-axis shows values from 0 to 20.17031089. This visualization has the following annotations: Notes: Difference between 2014 and 2015 for New Orleans is not significant at 95% confidence interval. The difference between; 13.5%; 13.9%; 16.7%; 19.2%; 12.5%; 13.1%; n.s.; Source: U.S. Census Bureau, American Community Survey 2014 and 2015.; New Orleans and the United States is not significant for either year.