Heimildir
2.1 Laufrit, línurit og stöplarit
Burbary, K. (2011, March 7). Facebook demographics revisited – 2001 statistics. Social Media Today. Sótt af http://www.kenburbary.com/2011/03/facebook-demographics-revisited-2011-statistics-2/
Centers for Disease Control and Prevention. (n.d.). Overweight and obesity: Adult obesity facts. Aðgengilegt á http://www.cdc.gov/obesity/data/adult.html
CollegeBoard. (2013). The 9th annual AP report to the nation. Sótt af http://apreport.collegeboard.org/goals-andfindings/promoting-equity
2.2 Stuðlarit, tíðnimarghyrningar og tímaraðargraf
Bureau of Labor Statistics, U.S. Department of Labor. (n.d.). Consumer price index. Sótt af https://www.bls.gov/cpi/
CIA World Factbook. (n.d.). Demographics: Children under the age of 5 years underweight. Aðgengilegt á http://www.indexmundi.com/g/r.aspx?t=50&v=2224&aml=en
Centers for Disease Control and Prevention. (n.d.). Overweight and obesity: Adult obesity facts. Aðgengilegt á http://www.cdc.gov/obesity/data/adult.html
Food and Agriculture Organization of the United Nations. (n.d.). Food security statistics. Sótt af http://www.fao.org/economic/ess/ess-fs/en/
General Register Office for Scotland. Births time series data. (2013). Sótt af http://www.gro-scotland.gov.uk/statistics/theme/vital-events/births/time-series.html
Gunst, R., and Mason, R. (1980). Regression analysis and its application: A data-oriented approach. Boca Raton, FL: CRC Press.
Sandbox Networks. (2007). Presidents. Aðgengilegt á http://www.factmonster.com/ipka/A0194030.html
Scholastic. (2013). Timeline: Guide to the U.S. presidents. Sótt af http://www.scholastic.com/teachers/article/timeline-guide-us-presidents
World Bank Group. (2013). DataBank: CO2 emissions (kt). Sótt af http://databank.worldbank.org/data/home.aspx
2.3 Staðsetningarmælikvarðar gagna
Cauchon, D., and Overberg, P. (2012). Census data shows minorities now a majority of U.S. births. USA Today. Sótt af http://usatoday30.usatoday.com/news/nation/story/2012-05-17/minority-birthscensus/55029100/1
The Mercury News. (n.d.). Sótt af http://www.mercurynews.com/
Time. (n.d.). Survey by Yankelovich Partners, Inc.
U.S. Census Bureau. (1990). 1990 census. Sótt af http://www.census.gov/main/www/cen1990.html
U.S. Census Bureau. (n.d.). Data. Sótt af http://www.census.gov/
2.4 Kassarit
West Magazine. (n.d.). Sótt af https://westmagazine.net/
2.5 Lýsistærðir fyrir miðju gagna
CIA World Factbook. (n.d.). Obesity – adult prevalence rate. Aðgengilegt á http://www.indexmundi.com/g/r.aspx?t=50&v=2228&l=en
World Bank Group. (n.d.). Sótt af http://www.worldbank.org
2.7 Mælikvarðar á dreifingu gagna
King, B. (2005, Dec.). Graphically Speaking. Sótt af http://www.ltcc.edu/web/about/institutional-research
Microsoft Bookshelf. (n.d.).