Identifying Observational Studies and Experiments

Move the slider to select a new problem. Check the box to see the answers. Last updated 8/25/2022.
This applet is based on problems 9-16 page 19 of Sullivan, Fundamentals of Statistics, 2018, and problems 17-20 pages 24-25 of Navidi & Monk, Elementary Statistics, 2016. The applet was created on 9/22/2021 and updated 8/25/2022.