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Quick Mba: Marketing Research
An in-depth site on marketing research. Discusses what marketing research is, the steps in the marketing research process, types of research methods to use, data collection methods, and much more!
Missouri State University
Missouri State U.: Multivariate Statistics: Concepts, Models, and Applications
This site features an online textbook with very in-depth information about multivariable statistics. (NOTE: In the archived version, some images do not appear. However, many of them are multiple-choice questions for students, and if you...
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Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.