Sandbox

More on the Monty Hall problem.
The Mathematical Gazette,
November 2009
Setphen K Lucas, Jason Rosenhouse

The Senate’s health care calculations
New York Times, 18 November, 2009
Andrew Gelman, Nate Silver and Daniel Lee

Using some beautiful statistical graphics, the authors discuss the politics of the health care debate . One graphic explores a putative relationship between senators' positions on health care and public opinion in their home states. However, the relationship is shown to disappear when a third variable is accounted for, namely President Obama's 2008 margin of victory in each state. A second graphic uses data maps to illustrate public opinion on health care broken down by age, family income and state.

To be continued...

Submitted by Bill Peterson

Forsooth

"I can show you a bar graph where free and reduced lunch has the worst test scores in the state of South Carolina," adding, "You show me the school that has the highest free and reduced lunch, and I'll show you the worst test scores, folks. It's there, period."