Sampling and sampling distributions are at the heart of all statistics courses. They are covered in varying levels of sophistication in the various levels of statistics courses. I believe that students in all the courses can benefit from seeing discussions with elements from all these levels. Start reading this with the project and read the rest of the parts as needed in order to make sense of the project.
Levels:
These materials were originally written at the middle level here, M378K. I have adapted them to try to make them accessible to interested students in the other courses.