Basic Statistics: Tools for Continuous Improvement, Mark J. Kiemele, Stephen R. Schmidt, and Ronald J. Berdine, 4th edition (Colorado Springs, CO: Air Academy Press, 1997).
Probability Through Problems, Marek Capinski and Tomasz Zastawniak (New York: Springer, 2001).
Statistics for Managers, Using Microsoft Excel (with CD-ROM), David M. Levine, David Stephan, Timothy C. Krehbiel, and Mark L. Berenson, 4th edition (Upper Saddle River, NJ: Prentice Hall, 2004).