More on the Monty Hall problem.
The Mathematical Gazette,
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
"I can show you a bar graph where free and reduced lunch has the worst test scores in the state of South Carolina... 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."
Lt. Gov. Andre Bauer of South Carolina, candidate to succeed Mark Sanford as governor, as quoted in TheSunNews.com
Bauer appears to be be confusing/reversing cause and effect. Or else, we should investigate what is being put in to those school lunches to bring down test scores!
Submitted by Paul Alper