Strange correlations and confounding variables. Discuss the XKCD cartoon about correlation linked here: https://xkcd.com/925/ Does cancer cause cell phones? What variables might confound this data? Students must post their initial response of at least six complete sentences to the discussion thread by Thursday 11:59:00 PM (MST) of the week the discussion opens. Additionally, students must respond to at least one other student's thread with a minimum of three complete and relevant sentences. (Initial posts are worth 3 points each. The response post is worth 2 pts, totaling 5 pts per discussion. Additional responses do not earn additional points)