1. What are differences (difference analysis) and describe the three ways that a researcher can investigate for differences?
2. What is a relationship between two variables, and how does a relationship help a marketing manager? Give an example using a demographic variable and a consumer behavior variable, such as satisfaction with a brand.
3. How does multiple regression differ from bivariate regression? How is it similar?
4. What is ANOVA, and when is it used? Why is it termed efficient?
5. Explain why the statistical significance of a correlation is important. That is, what must be assumed when the correlation is found to not be statistically significant?