10.1 Two Population Means with Unknown Standard Deviations

Baseball-Almanac. (2013). World series history. Retrieved from http://www.baseball-almanac.com/ws/wsmenu.shtml

Graduating Engineer + Computer Careers. (n.d.). Retrieved from http://www.graduatingengineer.com

Microsoft Bookshelf. (n.d.).

Nasdaq. (n.d.). Sectoring by industry groups. Retrieved from http://www.nasdaq.com/markets/barchart-sectors.aspx

Prostitution Research and Education. (2013). Strip clubs: Where prostitution and trafficking happen. Retrieved from www.prostitutionresearch.com/ProsViolPosttrauStress.html

U.S. Senate. (n.d.). Retrieved from www.senate.gov

Wikipedia. (n.d.). List of current United States Senators by age. Retrieved from http://en.wikipedia.org/wiki/List_of_current_United_States_Senators_by_age

10.2 Two Population Means with Known Standard Deviations

Centers for Disease Control and Prevention. (2008, July 18). State-specific prevalence of obesity among adults—United States, 2007. MMWR, 57(28), 765–768. Retrieved from http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5728a1.htm

Federal Bureau of Investigation. (n.d.). Texas Crime Rates 1960–1012. Available at http://www.disastercenter.com/crime/txcrime.htm

Hinduja, S. (2013). Sexting Research and Gender Differences. Cyberbullying Research Center. Retrieved from http://cyberbullying.us/blog/sexting-research-and-gender-differences/

Humes, K. R., Jones, N. A., & Ramirez, R. R. (2011 March). Overview of race and Hispanic origin: 2010 (2010 Census Briefs). Washington, DC: U.S. Census Bureau. Available online at http://www.census.gov/prod/cen2010/briefs/c2010br-02.pdf

Smith, A. (2011, July 11). 35% of American adults own a smartphone. Pew Internet. Available online at http://www.pewinternet.org/~/media/Files/Reports/2011/PIP_Smartphones.pdf

Visually. (2013). Smart phone users, by the numbers. Retrieved from http://visual.ly/smart-phone-users-numbers

10.3 Comparing Two Independent Population Proportions

American Cancer Society. (n.d.). Retrieved from http://www.cancer.org/index

Centers for Disease Control and Prevention. (n.d.). West Nile virus. Retrieved from http://www.cdc.gov/ncidod/dvbid/westnile/index.htm

Chancellor’s Office, California Community Colleges. (1994, Nov.).

Educational Resources. (n.d.).

Gallup. (2013). State of the states. Retrieved from http://www.gallup.com/poll/125066/State-States.aspx?ref=interactive

Hilton Hotels. (n.d.). Retrieved from http://www.hilton.com

Hyatt Hotels. Retrieved from http://hyatt.com

San Jose Museum of Art. (n.d.). Whitney exhibit (on loan).

U.S. Department of Health and Human Services. (n.d). Statistics. Retrieved from https://www.hhs.gov/