If you’d like to learn more about Simpson’s Paradox, the Wikipedia page has some good information, but also check out this page with some interesting applications allowing you to see its effect more clearly.
Start reading chapter 3, pages 43-51 (stop after the Just Checking section)
From page 41, do exercise 39
From page 73, do exercises 5, 7, 9
Read over the first Investigative Task. You will be working on this in class tomorrow, finishing it for homework tomorrow night. It will be due at the beginning of class on Thursday. The grading rubric that will be used to evaluate your response is included in the document. Use this to inform the completeness/thoroughness of your response.