The Salk Vaccine case study and data.
Links:
Download the case study
Download the data
Relative Risk:
Using data from a 1950’s study, determine whether the polio vaccine was effective in a cohort study, and, if it was, quantify the degree of effectiveness. Key ideas: Relative risk, observational study, cohort study, randomized experiments.
JMP features demonstrated:
Analyze > Distribution
Statistical/graphical tools used:
Bar charts, two-sample proportions test, relative risk, two-sided Pearson and likelihood ratio tests, Fisher's exact test, and the Gamma measure of association.
Statistics case studies provided by Dewayne Derryberry of the Math Department at Idaho State University.
