Heimildir
Heimildir
10.1 Tvö þýðismeðaltöl með óþekktum staðalfrávikum
Baseball-Almanac. (2013). World series history. Sótt af http://www.baseball-almanac.com/ws/wsmenu.shtml
Graduating Engineer + Computer Careers. (án dags.). Sótt af http://www.graduatingengineer.com
Microsoft Bookshelf. (án dags.).
Nasdaq. (án dags.). Sectoring by industry groups. Sótt af http://www.nasdaq.com/markets/barchart-sectors.aspx
U.S. Senate. (án dags.). Sótt af www.senate.gov
Wikipedia. (án dags.). List of current United States Senators by age. Sótt af http://en.wikipedia.org/wiki/List_of_current_United_States_Senators_by_age
10.2 Tvö þýðismeðaltöl með þekktum staðalfrávikum
Centers for Disease Control and Prevention. (2008, 18. júlí). State-specific prevalence of obesity among adults—United States, 2007. MMWR, 57(28), 765–768. Sótt af http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5728a1.htm
Federal Bureau of Investigation. (án dags.). Texas Crime Rates 1960–1012. Aðgengilegt á http://www.disastercenter.com/crime/txcrime.htm
Hinduja, S. (2013). Sexting Research and Gender Differences. Cyberbullying Research Center. Sótt af http://cyberbullying.us/blog/sexting-research-and-gender-differences/
Humes, K. R., Jones, N. A., og Ramirez, R. R. (mars 2011). Overview of race and Hispanic origin: 2010 (2010 Census Briefs). Washington, DC: U.S. Census Bureau. Aðgengilegt á netinu á http://www.census.gov/prod/cen2010/briefs/c2010br-02.pdf
Smith, A. (2011, 11. júlí). 35% of American adults own a smartphone. Pew Internet. Aðgengilegt á netinu á http://www.pewinternet.org/~/media/Files/Reports/201IP_Smartphones.pdf
Visually. (2013). Smart phone users, by the numbers. Sótt af http://visual.ly/smart-phone-users-numbers
10.3 Samanburður á tveimur óháðum þýðishlutföllum
American Cancer Society. (án dags.). Sótt af http://www.cancer.org/index
Centers for Disease Control and Prevention. (án dags.). West Nile virus. Sótt af http://www.cdc.gov/ncidod/dvbid/westnile/index.htm
Chancellor’s Office, California Community Colleges. (1994, nóv.).
Educational Resources. (án dags.).
Gallup. (2013). State of the states. Sótt af http://www.gallup.com/poll/125066/State-States.aspx?ref=interactive
Hilton Hotels. (án dags.). Sótt af http://www.hilton.com
Hyatt Hotels. Sótt af http://hyatt.com
San Jose Museum of Art. (án dags.). Whitney exhibit (on loan).
U.S. Department of Health and Human Services. (án dags.). Statistics. Sótt af https://www.hhs.gov/