Given a dichotomous predictor (two independent groups) and a dichotomous outcome, both a Fisher's exact test and a logistic regression model are options for analysis tools. What does a logistic regression model provide that Fisher's exact test does not? Question 12 options: a. An odds ratio describing the relationship. b. The ability to control for additional variables in the model. c. Both choices (a) and (b) are correct. d. None of the above