Problem: An Adult Nurse Practitioner Program student (project 1) was interested in determining whether the individuals' lung capacities change 10 years later after quitting smoking. She collected 31 individuals' lung capacity measures during their smoking and same individuals' lung capacity measures 10 years after quitting the smoking from their Electronic Medical Records (EMR) in the UI Health system. Lung capacity was measured in units of liter (L). Data are presented in excel file called 2023.Fall.AA1