7.1 The Central Limit Theorem for Sample Means (Averages)

Baran, D. (2010). 20 percent of Americans have never used email. WebGuild. Retrieved from http://www.webguild.org/20080519/20-percent-of-americans-have-never-used-email

The Flurry Blog. (2013). Retrieved from http://blog.flurry.com

U.S. Department of Agriculture. (n.d.). Retrieved from https://www.usda.gov/

7.2 The Central Limit Theorem for Sums (Optional)

Farago, P. (2012, Oct. 29). The truth about cats and dogs: Smartphone vs tablet usage differences. Flurry Analytics Blog. Retrieved from http://flurrymobile.tumblr.com/post/113379683050/the-truth-about-cats-and-dogs-smartphone-vs

7.3 Using the Central Limit Theorem

The Wall Street Journal. (n.d.). Retrieved from https://www.wsj.com/

Centers for Disease Control and Prevention. (2017, April 16). National health and nutrition examination survey. National Center for Health Statistics. Retrieved from http://www.cdc.gov/nchs/nhanes.htm