Dive into the world of knowledge and get your queries resolved at IDNLearn.com. Discover in-depth answers to your questions from our community of experienced professionals.

a nursing student proposes a study to the irb at a local hospital for a review of a large number of patient charts from the last 3 months in the emergency department to look for any trends between smoking habits and complaints of chest pain. the best type of statistical test for this type of study would be: