The following graph from the Economist, July 22, 2019 (Link to Economist Article) shows two curves that are approximately normal. What is the mean of each curve?
Estimate the standard deviation (using the point of inflection or range rule of thumb).
What do the mean and standard deviation tell you about the way Republicans and Democrats in Congress vote?
After your initial post, respond to two others in your group. What conclusions did you share, and what did you interpret differently?