Before and After" Matched Pair Hypothesis Test

Question

Give an example of a "Before and After" Matched Pair that you, as a Health Professional, would like to do a Hypothesis Test for. Your discussion MUST include what is being measured as the “Before” component, what is being measured as the “After” component, and the unit of measurement that you are using for each of these two components.

Answer 1

say you have a new "exercise + diet" plan you administer to a group of overweight patients. Then you can measure their weights (say in pounds) before and after they enroll in your program.