Our World Statistics Day conversations have been a great reminder of how much statistics can inform our lives. Do you have an example of how statistics has made a difference in your life? Share your story with the Community!
Use results from a 1860’s sterilization study to determine if there is evidence that the sterilization process reduces deaths when amputations are performed. Key ideas: Practical importance and statistical significance, observational studies, relative risk, scope of inference.
JMP features demonstrated: Analyze > Fit Y by X
Statistical/graphical tools used: Mosaic plots, contingency tables, Pearson and likelihood ratio tests, Fisher's exact test, two-sample proportions test, one- and two-sided tests, confidence interval for the difference, relative risk.