15.1 Two-Way Frequency Tables. Complete p. 451-454. The video on p. 451 does get cut off at the very end, but it cuts off the answer to the addition problem, which I know you can figure out:)  

Also, part of this Module requires an understanding of frections, decimals, and percents. The "Are You Ready?" p. 448 does a pretty good job of reviewing these concepts, please reference that page as needed.