References
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2. Cochran, W. G. Sampling Techniques, Third Edition. New York: John Wiley & Sons, 1977.
3. D. M. Levine. Statistics for Six Sigma Green Belts with Minitab and JMP. Upper Saddle River, NJ: Financial Times – Prentice Hall, 2006.
4. Levine, D. M., T. C. Krehbiel, and M. L. Berenson. Business Statistics: A First Course, Fifth Edition. Upper Saddle River, NJ: Prentice Hall, 2010.
5. Levine, D. M., D. Stephan, T. C. Krehbiel, and M. L. Berenson. Statistics for Managers Using Microsoft Excel, Fifth Edition. Upper Saddle River, NJ: Prentice Hall, 2008.
6. Levine, D. M., P. P. Ramsey, and R. K. Smidt, Applied Statistics for Engineers and Scientists Using Microsoft Excel and Minitab. Upper Saddle River, NJ: Prentice Hall, 2001.