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• Reading:  Review Chapter 5 of Witte Text. 

• Lecture:  Review Chapter 5 Review Exercises

• Activities:  Visit statistical resources available to you on the Internet.  A few links are provided below.

• http://www.mste.uiuc.edu/hill/dstat/variation.html
• http://www.wikipedia.com/wiki/Statistical_variability
• http://bmj.com/collections/statsbk/2.shtml
• http://nilesonline.com/stats/stdev.shtml

Use these resources to improve your understanding of the importance of variability.