(Requires Appendix 11.3) Which model would you use for:
a. A study explaining the number of minutes that a person spends talking on a cell phone during the month?
b. A study explaining grades (A through F) in a large Principles of Economics class?
c. A study of consumers' choices for Coke, Pepsi, or generic cola?
d. A study of the number of cell phones owned by a family?